23037820 has 24 divisors (see below), whose sum is σ = 52101504. Its totient is φ = 8506176.

The previous prime is 23037811. The next prime is 23037821. The reversal of 23037820 is 2873032.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23037821) 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, 44044 + ... + 44563.

It is an arithmetic number, because the mean of its divisors is an integer number (2170896).

Almost surely, 2^23037820 is an apocalyptic number.

23037820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23037820 is an abundant number, since it is smaller than the sum of its proper divisors (29063684).

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

23037820 is a wasteful number, since it uses less digits than its factorization.

23037820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88629 (or 88627 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 23037820 is about 4799.7729112949. The cubic root of 23037820 is about 284.5424895074.

The spelling of 23037820 in words is "twenty-three million, thirty-seven thousand, eight hundred twenty".