23321232144 has 120 divisors (see below), whose sum is σ = 75998475072. Its totient is φ = 6537473280.

The previous prime is 23321232113. The next prime is 23321232167. The reversal of 23321232144 is 44123212332.

23321232144 is a `hidden beast` number, since 2 + 332 + 1 + 2 + 321 + 4 + 4 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164842 + ... + 271689.

Almost surely, 2^23321232144 is an apocalyptic number.

23321232144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23321232144 is an abundant number, since it is smaller than the sum of its proper divisors (52677242928).

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

23321232144 is a wasteful number, since it uses less digits than its factorization.

23321232144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436605 (or 436596 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 23321232144 its reverse (44123212332), we get a palindrome (67444444476).

It can be divided in two parts, 233212 and 32144, that added together give a triangular number (265356 = T₇₂₈).

The spelling of 23321232144 in words is "twenty-three billion, three hundred twenty-one million, two hundred thirty-two thousand, one hundred forty-four".