23031808 has 26 divisors (see below), whose sum is σ = 46066184. Its totient is φ = 11513856.

The previous prime is 23031803. The next prime is 23031823. The reversal of 23031808 is 80813032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23031803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1285 + ... + 6907.

Almost surely, 2^23031808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23031808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23033092).

23031808 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23031808 is an frugal number, since it uses more digits than its factorization.

23031808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5647 (or 5625 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 23031808 is about 4799.1465908013. The cubic root of 23031808 is about 284.5177357434.

The spelling of 23031808 in words is "twenty-three million, thirty-one thousand, eight hundred eight".