23888920 has 32 divisors (see below), whose sum is σ = 58637520. Its totient is φ = 8686720.

The previous prime is 23888911. The next prime is 23888929. The reversal of 23888920 is 2988832.

It is an interprime number because it is at equal distance from previous prime (23888911) and next prime (23888929).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23888929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26707 + ... + 27586.

Almost surely, 2^23888920 is an apocalyptic number.

23888920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23888920 is an abundant number, since it is smaller than the sum of its proper divisors (34748600).

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

23888920 is a wasteful number, since it uses less digits than its factorization.

23888920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54315 (or 54311 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 23888920 is about 4887.6292821776. The cubic root of 23888920 is about 288.0042116154.

The spelling of 23888920 in words is "twenty-three million, eight hundred eighty-eight thousand, nine hundred twenty".