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23243132423 = 759109516319
BaseRepresentation
bin10101101001011001…
…100000111000000111
32012222212001110120102
4111221121200320013
5340100220214143
614402220554315
71451662236320
oct255131407007
965885043512
1023243132423
119948162455
1246080b299b
1322655689c4
1411a6cdb447
159108390b8
hex569660e07

23243132423 has 16 divisors (see below), whose sum is σ = 27261696000. Its totient is φ = 19405295712.

The previous prime is 23243132369. The next prime is 23243132431. The reversal of 23243132423 is 32423134232.

It is a cyclic number.

It is not a de Polignac number, because 23243132423 - 216 = 23243066887 is a prime.

It is a super-2 number, since 2×232431324232 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23243132623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213143 + ... + 303176.

It is an arithmetic number, because the mean of its divisors is an integer number (1703856000).

Almost surely, 223243132423 is an apocalyptic number.

23243132423 is a deficient number, since it is larger than the sum of its proper divisors (4018563577).

23243132423 is a wasteful number, since it uses less digits than its factorization.

23243132423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516494.

The product of its digits is 20736, while the sum is 29.

Adding to 23243132423 its reverse (32423134232), we get a palindrome (55666266655).

The spelling of 23243132423 in words is "twenty-three billion, two hundred forty-three million, one hundred thirty-two thousand, four hundred twenty-three".

Divisors: 1 7 59 109 413 763 6431 45017 516319 3614233 30462821 56278771 213239747 393951397 3320447489 23243132423