23039910 has 32 divisors (see below), whose sum is σ = 61440480. Its totient is φ = 6143904.

The previous prime is 23039903. The next prime is 23039911. The reversal of 23039910 is 1993032.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23039911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42397 + ... + 42936.

It is an arithmetic number, because the mean of its divisors is an integer number (1920015).

Almost surely, 2^23039910 is an apocalyptic number.

23039910 is an abundant number, since it is smaller than the sum of its proper divisors (38400570).

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

23039910 is a wasteful number, since it uses less digits than its factorization.

23039910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85349 (or 85343 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 23039910 is about 4799.9906249908. The cubic root of 23039910 is about 284.5510938490.

The spelling of 23039910 in words is "twenty-three million, thirty-nine thousand, nine hundred ten".