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23110312243421 = 136129142890597
BaseRepresentation
bin1010100000100110010011…
…11100111011000011011101
310000211022202101200100221002
411100103021330323003131
511012114404413242141
6121052421511520045
74603444036621064
oct520231174730335
9100738671610832
1023110312243421
11740003485aa37
122712b24989025
13cb83a6c07350
1459c78b9b71db
152a1243cede9b
hex1504c9f3b0dd

23110312243421 has 8 divisors (see below), whose sum is σ = 25296029039064. Its totient is φ = 20982881229120.

The previous prime is 23110312243409. The next prime is 23110312243423. The reversal of 23110312243421 is 12434221301132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4697594521 + 23105614648900 = 68539^2 + 4806830^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23110312243421 - 234 = 23093132374237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23110312243423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14571444506 + ... + 14571446091.

It is an arithmetic number, because the mean of its divisors is an integer number (3162003629883).

Almost surely, 223110312243421 is an apocalyptic number.

It is an amenable number.

23110312243421 is a deficient number, since it is larger than the sum of its proper divisors (2185716795643).

23110312243421 is a wasteful number, since it uses less digits than its factorization.

23110312243421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29142890671.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 23110312243421 its reverse (12434221301132), we get a palindrome (35544533544553).

The spelling of 23110312243421 in words is "twenty-three trillion, one hundred ten billion, three hundred twelve million, two hundred forty-three thousand, four hundred twenty-one".

Divisors: 1 13 61 793 29142890597 378857577761 1777716326417 23110312243421