23015398 has 12 divisors (see below), whose sum is σ = 40159692. Its totient is φ = 9863700.

The previous prime is 23015389. The next prime is 23015429. The reversal of 23015398 is 89351032.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117328 + ... + 117523.

It is an arithmetic number, because the mean of its divisors is an integer number (3346641).

Almost surely, 2^23015398 is an apocalyptic number.

23015398 is a deficient number, since it is larger than the sum of its proper divisors (17144294).

23015398 is a wasteful number, since it uses less digits than its factorization.

23015398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234867 (or 234860 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 23015398 is about 4797.4366071893. The cubic root of 23015398 is about 284.4501473986.

The spelling of 23015398 in words is "twenty-three million, fifteen thousand, three hundred ninety-eight".