23440363 has 4 divisors (see below), whose sum is σ = 23882688. Its totient is φ = 22998040.

The previous prime is 23440349. The next prime is 23440369. The reversal of 23440363 is 36304432.

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 23440363 - 2¹⁷ = 23309291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23440369) 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, 221083 + ... + 221188.

It is an arithmetic number, because the mean of its divisors is an integer number (5970672).

Almost surely, 2^23440363 is an apocalyptic number.

23440363 is a deficient number, since it is larger than the sum of its proper divisors (442325).

23440363 is an equidigital number, since it uses as much as digits as its factorization.

23440363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442324.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 23440363 is about 4841.5248630984. The cubic root of 23440363 is about 286.1902128461.

Adding to 23440363 its reverse (36304432), we get a palindrome (59744795).

The spelling of 23440363 in words is "twenty-three million, four hundred forty thousand, three hundred sixty-three".