23958720 has 224 divisors, whose sum is σ = 87782400. Its totient is φ = 6147072.

The previous prime is 23958713. The next prime is 23958743. The reversal of 23958720 is 2785932.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 406051 + ... + 406109.

Almost surely, 2^23958720 is an apocalyptic number.

23958720 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 23958720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43891200).

23958720 is an abundant number, since it is smaller than the sum of its proper divisors (63823680).

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

23958720 is a wasteful number, since it uses less digits than its factorization.

23958720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 23958720 is about 4894.7645500065. The cubic root of 23958720 is about 288.2844412034.

The spelling of 23958720 in words is "twenty-three million, nine hundred fifty-eight thousand, seven hundred twenty".