2312630644 has 12 divisors (see below), whose sum is σ = 4141222624. Its totient is φ = 1129424184.

The previous prime is 2312630623. The next prime is 2312630653. The reversal of 2312630644 is 4460362132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6722592 + ... + 6722935.

Almost surely, 2^2312630644 is an apocalyptic number.

It is an amenable number.

2312630644 is a deficient number, since it is larger than the sum of its proper divisors (1828591980).

2312630644 is a wasteful number, since it uses less digits than its factorization.

2312630644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13445574 (or 13445572 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 2312630644 is about 48089.8185066236. The cubic root of 2312630644 is about 1322.4180204400.

Adding to 2312630644 its reverse (4460362132), we get a palindrome (6772992776).

The spelling of 2312630644 in words is "two billion, three hundred twelve million, six hundred thirty thousand, six hundred forty-four".