23385017539 has 16 divisors (see below), whose sum is σ = 27824634432. Its totient is φ = 19433069568.

The previous prime is 23385017503. The next prime is 23385017561. The reversal of 23385017539 is 93571058332.

It is a cyclic number.

It is not a de Polignac number, because 23385017539 - 2¹⁵ = 23384984771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23385017339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2295234 + ... + 2305399.

It is an arithmetic number, because the mean of its divisors is an integer number (1739039652).

Almost surely, 2^23385017539 is an apocalyptic number.

23385017539 is a deficient number, since it is larger than the sum of its proper divisors (4439616893).

23385017539 is a wasteful number, since it uses less digits than its factorization.

23385017539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4600686.

The product of its (nonzero) digits is 680400, while the sum is 46.

The spelling of 23385017539 in words is "twenty-three billion, three hundred eighty-five million, seventeen thousand, five hundred thirty-nine".