23381304 has 32 divisors (see below), whose sum is σ = 58586640. Its totient is φ = 7776000.

The previous prime is 23381297. The next prime is 23381333. The reversal of 23381304 is 40318332.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 in 7 ways as a sum of consecutive naturals, for example, 13614 + ... + 15234.

Almost surely, 2^23381304 is an apocalyptic number.

23381304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23381304 is an abundant number, since it is smaller than the sum of its proper divisors (35205336).

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

23381304 is a wasteful number, since it uses less digits than its factorization.

23381304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231 (or 2227 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 23381304 is about 4835.4218016632. The cubic root of 23381304 is about 285.9496545283.

Adding to 23381304 its reverse (40318332), we get a palindrome (63699636).

The spelling of 23381304 in words is "twenty-three million, three hundred eighty-one thousand, three hundred four".