23405111152 has 20 divisors (see below), whose sum is σ = 45400220440. Its totient is φ = 11688925248.

The previous prime is 23405111123. The next prime is 23405111179. The reversal of 23405111152 is 25111150432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 837723 + ... + 865210.

It is an arithmetic number, because the mean of its divisors is an integer number (2270011022).

Almost surely, 2^23405111152 is an apocalyptic number.

It is an amenable number.

23405111152 is a deficient number, since it is larger than the sum of its proper divisors (21995109288).

23405111152 is a wasteful number, since it uses less digits than its factorization.

23405111152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703800 (or 1703794 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 23405111152 its reverse (25111150432), we get a palindrome (48516261584).

The spelling of 23405111152 in words is "twenty-three billion, four hundred five million, one hundred eleven thousand, one hundred fifty-two".