2312575320 has 128 divisors (see below), whose sum is σ = 7584192000. Its totient is φ = 559457280.

The previous prime is 2312575301. The next prime is 2312575337. The reversal of 2312575320 is 235752132.

It is a happy number.

It is a super-2 number, since 2×2312575320² = 10696009221346204800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 749541 + ... + 752619.

It is an arithmetic number, because the mean of its divisors is an integer number (59251500).

Almost surely, 2^2312575320 is an apocalyptic number.

2312575320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2312575320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3792096000).

2312575320 is an abundant number, since it is smaller than the sum of its proper divisors (5271616680).

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

2312575320 is a wasteful number, since it uses less digits than its factorization.

2312575320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673 (or 3669 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 2312575320 is about 48089.2432878705. The cubic root of 2312575320 is about 1322.4074751564.

The spelling of 2312575320 in words is "two billion, three hundred twelve million, five hundred seventy-five thousand, three hundred twenty".