23003504 has 10 divisors (see below), whose sum is σ = 44569320. Its totient is φ = 11501744.

The previous prime is 23003459. The next prime is 23003531. The reversal of 23003504 is 40530032.

It is a super-2 number, since 2×23003504² = 1058322392556032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 718844 + ... + 718875.

It is an arithmetic number, because the mean of its divisors is an integer number (4456932).

Almost surely, 2^23003504 is an apocalyptic number.

It is an amenable number.

23003504 is a deficient number, since it is larger than the sum of its proper divisors (21565816).

23003504 is a wasteful number, since it uses less digits than its factorization.

23003504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437727 (or 1437721 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 23003504 is about 4796.1968266534. The cubic root of 23003504 is about 284.4011391502.

Adding to 23003504 its reverse (40530032), we get a palindrome (63533536).

The spelling of 23003504 in words is "twenty-three million, three thousand, five hundred four".