2312545344 has 56 divisors (see below), whose sum is σ = 6127991808. Its totient is φ = 769666560.

The previous prime is 2312545217. The next prime is 2312545349. The reversal of 2312545344 is 4435452132.

It is not an unprimeable number, because it can be changed into a prime (2312545349) 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, 121089 + ... + 138879.

Almost surely, 2^2312545344 is an apocalyptic number.

2312545344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2312545344 is an abundant number, since it is smaller than the sum of its proper divisors (3815446464).

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

2312545344 is a wasteful number, since it uses less digits than its factorization.

2312545344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18483 (or 18473 counting only the distinct ones).

The product of its digits is 57600, while the sum is 33.

The square root of 2312545344 is about 48088.9316163293. The cubic root of 2312545344 is about 1322.4017613738.

Adding to 2312545344 its reverse (4435452132), we get a palindrome (6747997476).

The spelling of 2312545344 in words is "two billion, three hundred twelve million, five hundred forty-five thousand, three hundred forty-four".