23893940928 has 448 divisors, whose sum is σ = 77997588480. Its totient is φ = 6356275200.

The previous prime is 23893940923. The next prime is 23893940933. The reversal of 23893940928 is 82904939832.

It is an interprime number because it is at equal distance from previous prime (23893940923) and next prime (23893940933).

It is not an unprimeable number, because it can be changed into a prime (23893940923) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57025903 + ... + 57026321.

It is an arithmetic number, because the mean of its divisors is an integer number (174101760).

Almost surely, 2^23893940928 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 23893940928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38998794240).

23893940928 is an abundant number, since it is smaller than the sum of its proper divisors (54103647552).

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

23893940928 is a wasteful number, since it uses less digits than its factorization.

23893940928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 57.

The spelling of 23893940928 in words is "twenty-three billion, eight hundred ninety-three million, nine hundred forty thousand, nine hundred twenty-eight".