23998657224 has 32 divisors (see below), whose sum is σ = 60000516000. Its totient is φ = 7999036032.

The previous prime is 23998657213. The next prime is 23998657229. The reversal of 23998657224 is 42275689932.

It is a Cunningham number, because it is equal to 154915²-1.

It is not an unprimeable number, because it can be changed into a prime (23998657229) 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, 600292 + ... + 639020.

It is an arithmetic number, because the mean of its divisors is an integer number (1875016125).

Almost surely, 2^23998657224 is an apocalyptic number.

23998657224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23998657224 is an abundant number, since it is smaller than the sum of its proper divisors (36001858776).

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

23998657224 is a wasteful number, since it uses less digits than its factorization.

23998657224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64557 (or 64553 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 57.

The spelling of 23998657224 in words is "twenty-three billion, nine hundred ninety-eight million, six hundred fifty-seven thousand, two hundred twenty-four".