23617234513 has 8 divisors (see below), whose sum is σ = 25868776680. Its totient is φ = 21461502720.

The previous prime is 23617234481. The next prime is 23617234541. The reversal of 23617234513 is 31543271632.

It can be written as a sum of positive squares in 4 ways, for example, as 15293774224 + 8323460289 = 123668^2 + 91233^2 .

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 23617234513 - 2⁵ = 23617234481 is a prime.

It is a super-4 number, since 4×23617234513⁴ (a number of 43 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23617234013) 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, 23952078 + ... + 23953063.

It is an arithmetic number, because the mean of its divisors is an integer number (3233597085).

Almost surely, 2^23617234513 is an apocalyptic number.

It is an amenable number.

23617234513 is a deficient number, since it is larger than the sum of its proper divisors (2251542167).

23617234513 is a wasteful number, since it uses less digits than its factorization.

23617234513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47905187.

The product of its digits is 90720, while the sum is 37.

The spelling of 23617234513 in words is "twenty-three billion, six hundred seventeen million, two hundred thirty-four thousand, five hundred thirteen".