2312321232 has 80 divisors (see below), whose sum is σ = 6811439040. Its totient is φ = 669628416.

The previous prime is 2312321213. The next prime is 2312321251. The reversal of 2312321232 is 2321232132.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2312321213) and next prime (2312321251).

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

It is a junction number, because it is equal to n+sod(n) for n = 2312321199 and 2312321208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98382 + ... + 119597.

It is an arithmetic number, because the mean of its divisors is an integer number (85142988).

Almost surely, 2^2312321232 is an apocalyptic number.

It is an amenable number.

2312321232 is an abundant number, since it is smaller than the sum of its proper divisors (4499117808).

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

2312321232 is a wasteful number, since it uses less digits than its factorization.

2312321232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218020 (or 218014 counting only the distinct ones).

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

The square root of 2312321232 is about 48086.6013770988. The cubic root of 2312321232 is about 1322.3590413930.

Adding to 2312321232 its reverse (2321232132), we get a palindrome (4633553364).

The spelling of 2312321232 in words is "two billion, three hundred twelve million, three hundred twenty-one thousand, two hundred thirty-two".