23715120 has 160 divisors (see below), whose sum is σ = 86494464. Its totient is φ = 5299200.

The previous prime is 23715053. The next prime is 23715137. The reversal of 23715120 is 2151732.

It is a super-2 number, since 2×23715120² = 1124813833228800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 33975 + ... + 34665.

Almost surely, 2^23715120 is an apocalyptic number.

23715120 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 23715120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43247232).

23715120 is an abundant number, since it is smaller than the sum of its proper divisors (62779344).

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

23715120 is a wasteful number, since it uses less digits than its factorization.

23715120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 23715120 is about 4869.8172450309. The cubic root of 23715120 is about 287.3040681407.

Adding to 23715120 its reverse (2151732), we get a palindrome (25866852).

The spelling of 23715120 in words is "twenty-three million, seven hundred fifteen thousand, one hundred twenty".