2313123212 has 12 divisors (see below), whose sum is σ = 4049976840. Its totient is φ = 1155986976.

The previous prime is 2313123193. The next prime is 2313123223. The reversal of 2313123212 is 2123213132.

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, 134537 + ... + 150752.

It is an arithmetic number, because the mean of its divisors is an integer number (337498070).

Almost surely, 2^2313123212 is an apocalyptic number.

It is an amenable number.

2313123212 is a deficient number, since it is larger than the sum of its proper divisors (1736853628).

2313123212 is a wasteful number, since it uses less digits than its factorization.

2313123212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287320 (or 287318 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 2313123212 is about 48094.9395674846. The cubic root of 2313123212 is about 1322.5119011988.

Adding to 2313123212 its reverse (2123213132), we get a palindrome (4436336344).

The spelling of 2313123212 in words is "two billion, three hundred thirteen million, one hundred twenty-three thousand, two hundred twelve".