23256744 has 32 divisors (see below), whose sum is σ = 66448320. Its totient is φ = 6644736.

The previous prime is 23256743. The next prime is 23256763. The reversal of 23256744 is 44765232.

It is a super-2 number, since 2×23256744² = 1081752282963072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23256743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69049 + ... + 69384.

It is an arithmetic number, because the mean of its divisors is an integer number (2076510).

Almost surely, 2^23256744 is an apocalyptic number.

23256744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23256744 is an abundant number, since it is smaller than the sum of its proper divisors (43191576).

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

23256744 is a wasteful number, since it uses less digits than its factorization.

23256744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138449 (or 138445 counting only the distinct ones).

The product of its digits is 40320, while the sum is 33.

The square root of 23256744 is about 4822.5246500148. The cubic root of 23256744 is about 285.4409670988.

The spelling of 23256744 in words is "twenty-three million, two hundred fifty-six thousand, seven hundred forty-four".