23897291144 has 32 divisors (see below), whose sum is σ = 45044445600. Its totient is φ = 11885502720.

The previous prime is 23897291123. The next prime is 23897291183. The reversal of 23897291144 is 44119279832.

It is a happy number.

It is a super-2 number, since 2×23897291144² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23897291092 and 23897291101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4958624 + ... + 4963440.

It is an arithmetic number, because the mean of its divisors is an integer number (1407638925).

Almost surely, 2^23897291144 is an apocalyptic number.

It is an amenable number.

23897291144 is a deficient number, since it is larger than the sum of its proper divisors (21147154456).

23897291144 is a wasteful number, since it uses less digits than its factorization.

23897291144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7973 (or 7969 counting only the distinct ones).

The product of its digits is 870912, while the sum is 50.

The spelling of 23897291144 in words is "twenty-three billion, eight hundred ninety-seven million, two hundred ninety-one thousand, one hundred forty-four".