2312397 has 12 divisors (see below), whose sum is σ = 3485664. Its totient is φ = 1474440.

The previous prime is 2312381. The next prime is 2312407. The reversal of 2312397 is 7932132.

It is not a de Polignac number, because 2312397 - 2⁴ = 2312381 is a prime.

2312397 is a lucky number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 2312397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5379 + ... + 5792.

It is an arithmetic number, because the mean of its divisors is an integer number (290472).

2^2312397 is an apocalyptic number.

It is an amenable number.

2312397 is a deficient number, since it is larger than the sum of its proper divisors (1173267).

2312397 is a wasteful number, since it uses less digits than its factorization.

2312397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11200 (or 11197 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 2312397 is about 1520.6567660061. The cubic root of 2312397 is about 132.2373484514.

It can be divided in two parts, 23123 and 97, that added together give a triangular number (23220 = T₂₁₅).

The spelling of 2312397 in words is "two million, three hundred twelve thousand, three hundred ninety-seven".