2312563 has 4 divisors (see below), whose sum is σ = 2522808. Its totient is φ = 2102320.

The previous prime is 2312539. The next prime is 2312573. The reversal of 2312563 is 3652132.

2312563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-2312563 is a prime.

It is a Duffinian number.

2312563 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2312573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105106 + ... + 105127.

It is an arithmetic number, because the mean of its divisors is an integer number (630702).

2^2312563 is an apocalyptic number.

2312563 is a deficient number, since it is larger than the sum of its proper divisors (210245).

2312563 is a wasteful number, since it uses less digits than its factorization.

2312563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210244.

The product of its digits is 1080, while the sum is 22.

The square root of 2312563 is about 1520.7113467059. The cubic root of 2312563 is about 132.2405126824.

Adding to 2312563 its reverse (3652132), we get a palindrome (5964695).

The spelling of 2312563 in words is "two million, three hundred twelve thousand, five hundred sixty-three".