23403952 has 80 divisors (see below), whose sum is σ = 54559008. Its totient is φ = 9584640.

The previous prime is 23403937. The next prime is 23403967. The reversal of 23403952 is 25930432.

It is an interprime number because it is at equal distance from previous prime (23403937) and next prime (23403967).

It is a self number, because there is not a number n which added to its sum of digits gives 23403952.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121168 + ... + 121360.

Almost surely, 2^23403952 is an apocalyptic number.

23403952 is a gapful number since it is divisible by the number (22) 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 23403952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27279504).

23403952 is an abundant number, since it is smaller than the sum of its proper divisors (31155056).

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

23403952 is a wasteful number, since it uses less digits than its factorization.

23403952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 23403952 is about 4837.7631194592. The cubic root of 23403952 is about 286.0419518879.

The spelling of 23403952 in words is "twenty-three million, four hundred three thousand, nine hundred fifty-two".