23444978256 has 840 divisors, whose sum is σ = 88995732480. Its totient is φ = 5925685248.

The previous prime is 23444978243. The next prime is 23444978269. The reversal of 23444978256 is 65287944432.

It is a happy number.

23444978256 is a `hidden beast` number, since 2 + 344 + 49 + 7 + 8 + 256 = 666.

It is an interprime number because it is at equal distance from previous prime (23444978243) and next prime (23444978269).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 184606065 + ... + 184606191.

Almost surely, 2^23444978256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23444978256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44497866240).

23444978256 is an abundant number, since it is smaller than the sum of its proper divisors (65550754224).

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

23444978256 is a wasteful number, since it uses less digits than its factorization.

23444978256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 175 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 54.

The spelling of 23444978256 in words is "twenty-three billion, four hundred forty-four million, nine hundred seventy-eight thousand, two hundred fifty-six".