452639968723 has 4 divisors (see below), whose sum is σ = 452877327720. Its totient is φ = 452402609728.

The previous prime is 452639968691. The next prime is 452639968733. The reversal of 452639968723 is 327869936254.

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 452639968723 - 2⁵ = 452639968691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (452639968733) 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, 118676638 + ... + 118680451.

It is an arithmetic number, because the mean of its divisors is an integer number (113219331930).

Almost surely, 2^452639968723 is an apocalyptic number.

452639968723 is a deficient number, since it is larger than the sum of its proper divisors (237358997).

452639968723 is a wasteful number, since it uses less digits than its factorization.

452639968723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237358996.

The product of its digits is 117573120, while the sum is 64.

The spelling of 452639968723 in words is "four hundred fifty-two billion, six hundred thirty-nine million, nine hundred sixty-eight thousand, seven hundred twenty-three".