23086589690 has 16 divisors (see below), whose sum is σ = 41575130280. Its totient is φ = 9230353920.

The previous prime is 23086589681. The next prime is 23086589693. The reversal of 23086589690 is 9698568032.

It can be written as a sum of positive squares in 4 ways, for example, as 14628660601 + 8457929089 = 120949^2 + 91967^2 .

It is a super-2 number, since 2×23086589690² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23086589693) 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, 512555 + ... + 555774.

Almost surely, 2^23086589690 is an apocalyptic number.

23086589690 is a deficient number, since it is larger than the sum of its proper divisors (18488540590).

23086589690 is a wasteful number, since it uses less digits than its factorization.

23086589690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070497.

The product of its (nonzero) digits is 5598720, while the sum is 56.

The spelling of 23086589690 in words is "twenty-three billion, eighty-six million, five hundred eighty-nine thousand, six hundred ninety".