23944997400 has 96 divisors (see below), whose sum is σ = 74581684800. Its totient is φ = 6355036800.

The previous prime is 23944997387. The next prime is 23944997413. The reversal of 23944997400 is 479944932.

It is an interprime number because it is at equal distance from previous prime (23944997387) and next prime (23944997413).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32031 + ... + 221169.

It is an arithmetic number, because the mean of its divisors is an integer number (776892550).

Almost surely, 2^23944997400 is an apocalyptic number.

23944997400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23944997400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37290842400).

23944997400 is an abundant number, since it is smaller than the sum of its proper divisors (50636687400).

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

23944997400 is a wasteful number, since it uses less digits than its factorization.

23944997400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189369 (or 189360 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 23944997400 in words is "twenty-three billion, nine hundred forty-four million, nine hundred ninety-seven thousand, four hundred".