23143265892 has 30 divisors (see below), whose sum is σ = 60501069398. Its totient is φ = 7714421856.

The previous prime is 23143265869. The next prime is 23143265921. The reversal of 23143265892 is 29856234132.

23143265892 is a `hidden beast` number, since 2 + 3 + 1 + 43 + 26 + 589 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16833505536 + 6309760356 = 129744^2 + 79434^2 .

It is a super-2 number, since 2×23143265892² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 35714593 + ... + 35715240.

Almost surely, 2^23143265892 is an apocalyptic number.

It is an amenable number.

23143265892 is an abundant number, since it is smaller than the sum of its proper divisors (37357803506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23143265892 is a wasteful number, since it uses less digits than its factorization.

23143265892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71429849 (or 71429838 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The spelling of 23143265892 in words is "twenty-three billion, one hundred forty-three million, two hundred sixty-five thousand, eight hundred ninety-two".