23503994 has 8 divisors (see below), whose sum is σ = 35513748. Its totient is φ = 11666080.

The previous prime is 23503981. The next prime is 23504011. The reversal of 23503994 is 49930532.

It can be written as a sum of positive squares in 2 ways, for example, as 21501769 + 2002225 = 4637^2 + 1415^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 42617 + ... + 43164.

Almost surely, 2^23503994 is an apocalyptic number.

23503994 is a deficient number, since it is larger than the sum of its proper divisors (12009754).

23503994 is a wasteful number, since it uses less digits than its factorization.

23503994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85920.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 23503994 is about 4848.0917895601. The cubic root of 23503994 is about 286.4489420043.

The spelling of 23503994 in words is "twenty-three million, five hundred three thousand, nine hundred ninety-four".