23012134554 has 16 divisors (see below), whose sum is σ = 46892652192. Its totient is φ = 7525981008.

The previous prime is 23012134543. The next prime is 23012134559. The reversal of 23012134554 is 45543121032.

It is not an unprimeable number, because it can be changed into a prime (23012134559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36182284 + ... + 36182919.

It is an arithmetic number, because the mean of its divisors is an integer number (2930790762).

Almost surely, 2^23012134554 is an apocalyptic number.

23012134554 is an abundant number, since it is smaller than the sum of its proper divisors (23880517638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23012134554 is a wasteful number, since it uses less digits than its factorization.

23012134554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72365261.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 23012134554 its reverse (45543121032), we get a palindrome (68555255586).

The spelling of 23012134554 in words is "twenty-three billion, twelve million, one hundred thirty-four thousand, five hundred fifty-four".