23320011132 has 72 divisors (see below), whose sum is σ = 66688457472. Its totient is φ = 7066666800.

The previous prime is 23320011097. The next prime is 23320011157. The reversal of 23320011132 is 23111002332.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 1079844 + ... + 1101227.

It is an arithmetic number, because the mean of its divisors is an integer number (926228576).

Almost surely, 2^23320011132 is an apocalyptic number.

23320011132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23320011132 is an abundant number, since it is smaller than the sum of its proper divisors (43368446340).

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

23320011132 is a wasteful number, since it uses less digits than its factorization.

23320011132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181101 (or 2181087 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23320011132 its reverse (23111002332), we get a palindrome (46431013464).

The spelling of 23320011132 in words is "twenty-three billion, three hundred twenty million, eleven thousand, one hundred thirty-two".