23664255154 has 4 divisors (see below), whose sum is σ = 35496382734. Its totient is φ = 11832127576.

The previous prime is 23664255133. The next prime is 23664255233. The reversal of 23664255154 is 45155246632.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23655978025 + 8277129 = 153805^2 + 2877^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23664255154.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5916063787 + ... + 5916063790.

Almost surely, 2^23664255154 is an apocalyptic number.

23664255154 is a deficient number, since it is larger than the sum of its proper divisors (11832127580).

23664255154 is a wasteful number, since it uses less digits than its factorization.

23664255154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11832127579.

The product of its digits is 864000, while the sum is 43.

The spelling of 23664255154 in words is "twenty-three billion, six hundred sixty-four million, two hundred fifty-five thousand, one hundred fifty-four".