23505998 has 16 divisors (see below), whose sum is σ = 36556800. Its totient is φ = 11323800.

The previous prime is 23505971. The next prime is 23506003. The reversal of 23505998 is 89950532.

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 16103 + ... + 17501.

It is an arithmetic number, because the mean of its divisors is an integer number (2284800).

Almost surely, 2^23505998 is an apocalyptic number.

23505998 is a deficient number, since it is larger than the sum of its proper divisors (13050802).

23505998 is a wasteful number, since it uses less digits than its factorization.

23505998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 23505998 is about 4848.2984644100. The cubic root of 23505998 is about 286.4570828528.

The spelling of 23505998 in words is "twenty-three million, five hundred five thousand, nine hundred ninety-eight".