23451564623 has 8 divisors (see below), whose sum is σ = 23483272800. Its totient is φ = 23419880928.

The previous prime is 23451564613. The next prime is 23451564629. The reversal of 23451564623 is 32646515432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23451564623 - 2²⁴ = 23434787407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23451564629) 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, 2597465 + ... + 2606477.

It is an arithmetic number, because the mean of its divisors is an integer number (2935409100).

Almost surely, 2^23451564623 is an apocalyptic number.

23451564623 is a deficient number, since it is larger than the sum of its proper divisors (31708177).

23451564623 is a wasteful number, since it uses less digits than its factorization.

23451564623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12241.

The product of its digits is 518400, while the sum is 41.

The spelling of 23451564623 in words is "twenty-three billion, four hundred fifty-one million, five hundred sixty-four thousand, six hundred twenty-three".