23115350421 has 12 divisors (see below), whose sum is σ = 34540179180. Its totient is φ = 14878846080.

The previous prime is 23115350417. The next prime is 23115350443. The reversal of 23115350421 is 12405351132.

23115350421 is a `hidden beast` number, since 2 + 3 + 1 + 153 + 504 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4185443025 + 18929907396 = 64695^2 + 137586^2 .

It is not a de Polignac number, because 23115350421 - 2² = 23115350417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23105350421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44282020 + ... + 44282541.

It is an arithmetic number, because the mean of its divisors is an integer number (2878348265).

Almost surely, 2^23115350421 is an apocalyptic number.

It is an amenable number.

23115350421 is a deficient number, since it is larger than the sum of its proper divisors (11424828759).

23115350421 is a wasteful number, since it uses less digits than its factorization.

23115350421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88564596 (or 88564593 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 23115350421 in words is "twenty-three billion, one hundred fifteen million, three hundred fifty thousand, four hundred twenty-one".