23223504 has 40 divisors (see below), whose sum is σ = 60304672. Its totient is φ = 7701120.

The previous prime is 23223503. The next prime is 23223509. The reversal of 23223504 is 40532232.

It is a super-2 number, since 2×23223504² = 1078662276076032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23223503) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 8982 + ... + 11274.

Almost surely, 2^23223504 is an apocalyptic number.

23223504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23223504 is an abundant number, since it is smaller than the sum of its proper divisors (37081168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23223504 is a wasteful number, since it uses less digits than its factorization.

23223504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515 (or 2509 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 23223504 is about 4819.0770900661. The cubic root of 23223504 is about 285.3049122030.

Adding to 23223504 its reverse (40532232), we get a palindrome (63755736).

The spelling of 23223504 in words is "twenty-three million, two hundred twenty-three thousand, five hundred four".