23552355639 has 8 divisors (see below), whose sum is σ = 31407317872. Its totient is φ = 15699481920.

The previous prime is 23552355527. The next prime is 23552355667. The reversal of 23552355639 is 93655325532.

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

It is a de Polignac number, because none of the positive numbers 2^k-23552355639 is a prime.

It is a super-2 number, since 2×23552355639² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23552355689) 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, 495622 + ... + 541059.

It is an arithmetic number, because the mean of its divisors is an integer number (3925914734).

Almost surely, 2^23552355639 is an apocalyptic number.

23552355639 is a deficient number, since it is larger than the sum of its proper divisors (7854962233).

23552355639 is a wasteful number, since it uses less digits than its factorization.

23552355639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044257.

The product of its digits is 3645000, while the sum is 48.

The spelling of 23552355639 in words is "twenty-three billion, five hundred fifty-two million, three hundred fifty-five thousand, six hundred thirty-nine".