2373563 has 4 divisors (see below), whose sum is σ = 2455440. Its totient is φ = 2291688.

The previous prime is 2373533. The next prime is 2373583. The reversal of 2373563 is 3653732.

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 2373563 - 2⁸ = 2373307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 81847 = 2373563 / (2 + 3 + 7 + 3 + 5 + 6 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2373533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40895 + ... + 40952.

It is an arithmetic number, because the mean of its divisors is an integer number (613860).

2^2373563 is an apocalyptic number.

2373563 is a deficient number, since it is larger than the sum of its proper divisors (81877).

2373563 is an equidigital number, since it uses as much as digits as its factorization.

2373563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81876.

The product of its digits is 11340, while the sum is 29.

The square root of 2373563 is about 1540.6372058340. The cubic root of 2373563 is about 133.3931682832.

The spelling of 2373563 in words is "two million, three hundred seventy-three thousand, five hundred sixty-three".