23490570 has 16 divisors (see below), whose sum is σ = 56377440. Its totient is φ = 6264144.

The previous prime is 23490547. The next prime is 23490611. The reversal of 23490570 is 7509432.

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: 783019 = 23490570 / (2 + 3 + 4 + 9 + 0 + 5 + 7 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391480 + ... + 391539.

It is an arithmetic number, because the mean of its divisors is an integer number (3523590).

Almost surely, 2^23490570 is an apocalyptic number.

23490570 is an abundant number, since it is smaller than the sum of its proper divisors (32886870).

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

23490570 is a wasteful number, since it uses less digits than its factorization.

23490570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783029.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 23490570 is about 4846.7071295881. The cubic root of 23490570 is about 286.3943977583.

The spelling of 23490570 in words is "twenty-three million, four hundred ninety thousand, five hundred seventy".