2313123251 has 4 divisors (see below), whose sum is σ = 2434866600. Its totient is φ = 2191379904.

The previous prime is 2313123229. The next prime is 2313123257. The reversal of 2313123251 is 1523213132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2313123251 - 2¹⁸ = 2312861107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2313123257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60871646 + ... + 60871683.

It is an arithmetic number, because the mean of its divisors is an integer number (608716650).

Almost surely, 2^2313123251 is an apocalyptic number.

2313123251 is a deficient number, since it is larger than the sum of its proper divisors (121743349).

2313123251 is a wasteful number, since it uses less digits than its factorization.

2313123251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121743348.

The product of its digits is 1080, while the sum is 23.

The square root of 2313123251 is about 48094.9399729327. The cubic root of 2313123251 is about 1322.5119086314.

Adding to 2313123251 its reverse (1523213132), we get a palindrome (3836336383).

The spelling of 2313123251 in words is "two billion, three hundred thirteen million, one hundred twenty-three thousand, two hundred fifty-one".