23389018 has 16 divisors (see below), whose sum is σ = 35562240. Its totient is φ = 11536336.

The previous prime is 23389013. The next prime is 23389021. The reversal of 23389018 is 81098332.

It is not an unprimeable number, because it can be changed into a prime (23389013) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 79680 + ... + 79972.

It is an arithmetic number, because the mean of its divisors is an integer number (2222640).

Almost surely, 2^23389018 is an apocalyptic number.

23389018 is a deficient number, since it is larger than the sum of its proper divisors (12173222).

23389018 is a wasteful number, since it uses less digits than its factorization.

23389018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 23389018 is about 4836.2193912187. The cubic root of 23389018 is about 285.9810980710.

The spelling of 23389018 in words is "twenty-three million, three hundred eighty-nine thousand, eighteen".