23993772 has 48 divisors (see below), whose sum is σ = 62009472. Its totient is φ = 7159680.

The previous prime is 23993771. The next prime is 23993773. The reversal of 23993772 is 27739932.

It is an interprime number because it is at equal distance from previous prime (23993771) and next prime (23993773).

It is not an unprimeable number, because it can be changed into a prime (23993771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7488 + ... + 10200.

It is an arithmetic number, because the mean of its divisors is an integer number (1291864).

Almost surely, 2^23993772 is an apocalyptic number.

23993772 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 23993772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31004736).

23993772 is an abundant number, since it is smaller than the sum of its proper divisors (38015700).

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

23993772 is a wasteful number, since it uses less digits than its factorization.

23993772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798 (or 2796 counting only the distinct ones).

The product of its digits is 142884, while the sum is 42.

The square root of 23993772 is about 4898.3438017354. The cubic root of 23993772 is about 288.4249609853.

The spelling of 23993772 in words is "twenty-three million, nine hundred ninety-three thousand, seven hundred seventy-two".