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142231340102423 = 111323731015865259
BaseRepresentation
bin100000010101101111010000…
…100000001011001100010111
3200122121011221122022020100212
4200111233100200023030113
5122120304241031234143
61222300101533200035
741646606125153135
oct4025572040131427
9618534848266325
10142231340102423
1141356a77585020
1213b5147803001b
136149486195330
14271a068266755
151169b6c029918
hex815bd080b317

142231340102423 has 64 divisors (see below), whose sum is σ = 178500601359360. Its totient is φ = 111486824064000.

The previous prime is 142231340102407. The next prime is 142231340102461. The reversal of 142231340102423 is 324201043132241.

It is a happy number.

It is not a de Polignac number, because 142231340102423 - 24 = 142231340102407 is a prime.

It is a super-2 number, since 2×1422313401024232 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142231340102423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142231340102623) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21317168 + ... + 27182426.

It is an arithmetic number, because the mean of its divisors is an integer number (2789071896240).

Almost surely, 2142231340102423 is an apocalyptic number.

142231340102423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142231340102423 is a deficient number, since it is larger than the sum of its proper divisors (36269261256937).

142231340102423 is a wasteful number, since it uses less digits than its factorization.

142231340102423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5865480.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 142231340102423 its reverse (324201043132241), we get a palindrome (466432383234664).

The spelling of 142231340102423 in words is "one hundred forty-two trillion, two hundred thirty-one billion, three hundred forty million, one hundred two thousand, four hundred twenty-three".

Divisors: 1 11 13 23 73 101 143 253 299 803 949 1111 1313 1679 2323 3289 7373 10439 14443 18469 21827 25553 30199 81103 95849 169579 240097 332189 1054339 1865369 2204527 5865259 24249797 64517849 76248367 134900957 428163907 592391159 838732037 1483910527 1753712441 4709802977 5566130791 6516302749 7701085067 9847769861 13624996657 19290836851 43244554607 61227438701 84711935737 108325468471 128021008193 149874963227 177124956541 475690100677 562179209891 994624755961 1408231090123 1948374521951 6183971308801 10940872315571 12930121827493 142231340102423