23655561254 has 16 divisors (see below), whose sum is σ = 38222257920. Its totient is φ = 10915257600.

The previous prime is 23655561199. The next prime is 23655561257. The reversal of 23655561254 is 45216555632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23655561257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2822 + ... + 217529.

It is an arithmetic number, because the mean of its divisors is an integer number (2388891120).

Almost surely, 2^23655561254 is an apocalyptic number.

23655561254 is a deficient number, since it is larger than the sum of its proper divisors (14566696666).

23655561254 is a wasteful number, since it uses less digits than its factorization.

23655561254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224495.

The product of its digits is 1080000, while the sum is 44.

The spelling of 23655561254 in words is "twenty-three billion, six hundred fifty-five million, five hundred sixty-one thousand, two hundred fifty-four".