23304144 has 40 divisors (see below), whose sum is σ = 63745920. Its totient is φ = 7310848.

The previous prime is 23304143. The next prime is 23304181. The reversal of 23304144 is 44140332.

It is a self number, because there is not a number n which added to its sum of digits gives 23304144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23304143) by changing a digit.

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, 13464 + ... + 15095.

It is an arithmetic number, because the mean of its divisors is an integer number (1593648).

Almost surely, 2^23304144 is an apocalyptic number.

23304144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23304144 is an abundant number, since it is smaller than the sum of its proper divisors (40441776).

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

23304144 is a wasteful number, since it uses less digits than its factorization.

23304144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28587 (or 28581 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 23304144 is about 4827.4365868440. The cubic root of 23304144 is about 285.6347563410.

Adding to 23304144 its reverse (44140332), we get a palindrome (67444476).

The spelling of 23304144 in words is "twenty-three million, three hundred four thousand, one hundred forty-four".