23320212132 has 96 divisors (see below), whose sum is σ = 63144990720. Its totient is φ = 6560547840.

The previous prime is 23320212127. The next prime is 23320212137. The reversal of 23320212132 is 23121202332.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23320212127) and next prime (23320212137).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 23320212099 and 23320212108.

It is not an unprimeable number, because it can be changed into a prime (23320212137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5645844 + ... + 5649972.

It is an arithmetic number, because the mean of its divisors is an integer number (657760320).

Almost surely, 2^23320212132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23320212132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31572495360).

23320212132 is an abundant number, since it is smaller than the sum of its proper divisors (39824778588).

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

23320212132 is a wasteful number, since it uses less digits than its factorization.

23320212132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5161 (or 5159 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23320212132 its reverse (23121202332), we get a palindrome (46441414464).

The spelling of 23320212132 in words is "twenty-three billion, three hundred twenty million, two hundred twelve thousand, one hundred thirty-two".