23320311132 has 24 divisors (see below), whose sum is σ = 55069652736. Its totient is φ = 7679780848.

The previous prime is 23320311127. The next prime is 23320311137. The reversal of 23320311132 is 23111302332.

It is an interprime number because it is at equal distance from previous prime (23320311127) and next prime (23320311137).

It is a super-2 number, since 2×23320311132² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23320311099 and 23320311108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23320311137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11705988 + ... + 11707979.

It is an arithmetic number, because the mean of its divisors is an integer number (2294568864).

Almost surely, 2^23320311132 is an apocalyptic number.

It is an amenable number.

23320311132 is an abundant number, since it is smaller than the sum of its proper divisors (31749341604).

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

23320311132 is a wasteful number, since it uses less digits than its factorization.

23320311132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23414057 (or 23414055 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23320311132 its reverse (23111302332), we get a palindrome (46431613464).

The spelling of 23320311132 in words is "twenty-three billion, three hundred twenty million, three hundred eleven thousand, one hundred thirty-two".