23371920 has 240 divisors, whose sum is σ = 92619072. Its totient is φ = 5207040.

The previous prime is 23371897. The next prime is 23371951. The reversal of 23371920 is 2917332.

It is a tau number, because it is divible by the number of its divisors (240).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 102847 + ... + 103073.

Almost surely, 2^23371920 is an apocalyptic number.

23371920 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 23371920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46309536).

23371920 is an abundant number, since it is smaller than the sum of its proper divisors (69247152).

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

23371920 is a wasteful number, since it uses less digits than its factorization.

23371920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 23371920 is about 4834.4513649431. The cubic root of 23371920 is about 285.9113944634.

The spelling of 23371920 in words is "twenty-three million, three hundred seventy-one thousand, nine hundred twenty".