23315561654 has 16 divisors (see below), whose sum is σ = 43603128576. Its totient is φ = 9083985000.

The previous prime is 23315561651. The next prime is 23315561663. The reversal of 23315561654 is 45616551332.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23315561651) 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, 75699722 + ... + 75700029.

It is an arithmetic number, because the mean of its divisors is an integer number (2725195536).

Almost surely, 2^23315561654 is an apocalyptic number.

23315561654 is a deficient number, since it is larger than the sum of its proper divisors (20287566922).

23315561654 is a wasteful number, since it uses less digits than its factorization.

23315561654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151399771.

The product of its digits is 324000, while the sum is 41.

The spelling of 23315561654 in words is "twenty-three billion, three hundred fifteen million, five hundred sixty-one thousand, six hundred fifty-four".