225643064023 has 16 divisors (see below), whose sum is σ = 254480942016. Its totient is φ = 198510681600.

The previous prime is 225643063999. The next prime is 225643064063. The reversal of 225643064023 is 320460346522.

It is not a de Polignac number, because 225643064023 - 2²¹ = 225640966871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225643064063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1279378 + ... + 1445023.

It is an arithmetic number, because the mean of its divisors is an integer number (15905058876).

Almost surely, 2^225643064023 is an apocalyptic number.

225643064023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

225643064023 is a deficient number, since it is larger than the sum of its proper divisors (28837877993).

225643064023 is a wasteful number, since it uses less digits than its factorization.

225643064023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724714.

The product of its (nonzero) digits is 207360, while the sum is 37.

The spelling of 225643064023 in words is "two hundred twenty-five billion, six hundred forty-three million, sixty-four thousand, twenty-three".