23690530 has 32 divisors (see below), whose sum is σ = 45581760. Its totient is φ = 8838720.

The previous prime is 23690521. The next prime is 23690543. The reversal of 23690530 is 3509632.

It is a super-2 number, since 2×23690530² = 1122482423361800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11800 + ... + 13660.

It is an arithmetic number, because the mean of its divisors is an integer number (1424430).

Almost surely, 2^23690530 is an apocalyptic number.

23690530 is a deficient number, since it is larger than the sum of its proper divisors (21891230).

23690530 is a wasteful number, since it uses less digits than its factorization.

23690530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 23690530 is about 4867.2918548203. The cubic root of 23690530 is about 287.2047327763.

The spelling of 23690530 in words is "twenty-three million, six hundred ninety thousand, five hundred thirty".