23133130320 has 40 divisors (see below), whose sum is σ = 71712704736. Its totient is φ = 6168834688.

The previous prime is 23133130297. The next prime is 23133130333. The reversal of 23133130320 is 2303133132.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48193782 + ... + 48194261.

Almost surely, 2^23133130320 is an apocalyptic number.

23133130320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23133130320 is an abundant number, since it is smaller than the sum of its proper divisors (48579574416).

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

23133130320 is a wasteful number, since it uses less digits than its factorization.

23133130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96388059 (or 96388053 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 23133130320 its reverse (2303133132), we get a palindrome (25436263452).

The spelling of 23133130320 in words is "twenty-three billion, one hundred thirty-three million, one hundred thirty thousand, three hundred twenty".