2312263 has 4 divisors (see below), whose sum is σ = 2327728. Its totient is φ = 2296800.

The previous prime is 2312249. The next prime is 2312267. The reversal of 2312263 is 3622132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2312263 is a prime.

It is a Duffinian number.

2312263 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2312263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312267) 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, 7506 + ... + 7807.

It is an arithmetic number, because the mean of its divisors is an integer number (581932).

2^2312263 is an apocalyptic number.

2312263 is a deficient number, since it is larger than the sum of its proper divisors (15465).

2312263 is a wasteful number, since it uses less digits than its factorization.

2312263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15464.

The product of its digits is 432, while the sum is 19.

The square root of 2312263 is about 1520.6127054579. The cubic root of 2312263 is about 132.2347940822.

Adding to 2312263 its reverse (3622132), we get a palindrome (5934395).

It can be divided in two parts, 231 and 2263, that multiplied together give a triangular number (522753 = T₁₀₂₂).

The spelling of 2312263 in words is "two million, three hundred twelve thousand, two hundred sixty-three".