23037920 has 48 divisors (see below), whose sum is σ = 54876528. Its totient is φ = 9139200.

The previous prime is 23037887. The next prime is 23037923. The reversal of 23037920 is 2973032.

It is a self number, because there is not a number n which added to its sum of digits gives 23037920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23037923) 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, 21395 + ... + 22445.

It is an arithmetic number, because the mean of its divisors is an integer number (1143261).

Almost surely, 2^23037920 is an apocalyptic number.

23037920 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 23037920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27438264).

23037920 is an abundant number, since it is smaller than the sum of its proper divisors (31838608).

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

23037920 is a wasteful number, since it uses less digits than its factorization.

23037920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203 (or 1195 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 23037920 is about 4799.7833284431. The cubic root of 23037920 is about 284.5429012102.

The spelling of 23037920 in words is "twenty-three million, thirty-seven thousand, nine hundred twenty".