23389930 has 24 divisors (see below), whose sum is σ = 42918372. Its totient is φ = 9176256.

The previous prime is 23389913. The next prime is 23389963. The reversal of 23389930 is 3998332.

It can be written as a sum of positive squares in 2 ways, for example, as 23357889 + 32041 = 4833^2 + 179^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23389930.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130581 + ... + 130759.

Almost surely, 2^23389930 is an apocalyptic number.

23389930 is a deficient number, since it is larger than the sum of its proper divisors (19528442).

23389930 is an equidigital number, since it uses as much as digits as its factorization.

23389930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 23389930 is about 4836.3136788261. The cubic root of 23389930 is about 285.9848150772.

The spelling of 23389930 in words is "twenty-three million, three hundred eighty-nine thousand, nine hundred thirty".