23245590 has 16 divisors (see below), whose sum is σ = 55789488. Its totient is φ = 6198816.

The previous prime is 23245553. The next prime is 23245591. The reversal of 23245590 is 9554232.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 774853 = 23245590 / (2 + 3 + 2 + 4 + 5 + 5 + 9 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23245591) 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, 387397 + ... + 387456.

It is an arithmetic number, because the mean of its divisors is an integer number (3486843).

Almost surely, 2^23245590 is an apocalyptic number.

23245590 is an abundant number, since it is smaller than the sum of its proper divisors (32543898).

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

23245590 is a wasteful number, since it uses less digits than its factorization.

23245590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774863.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 23245590 is about 4821.3680631124. The cubic root of 23245590 is about 285.3953270375.

The spelling of 23245590 in words is "twenty-three million, two hundred forty-five thousand, five hundred ninety".