444664023 has 4 divisors (see below), whose sum is σ = 592885368. Its totient is φ = 296442680.

The previous prime is 444664021. The next prime is 444664043. The reversal of 444664023 is 320466444.

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 444664023 - 2¹ = 444664021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444664021) 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, 74110668 + ... + 74110673.

It is an arithmetic number, because the mean of its divisors is an integer number (148221342).

Almost surely, 2^444664023 is an apocalyptic number.

444664023 is a deficient number, since it is larger than the sum of its proper divisors (148221345).

444664023 is a wasteful number, since it uses less digits than its factorization.

444664023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148221344.

The product of its (nonzero) digits is 55296, while the sum is 33.

The square root of 444664023 is about 21087.0581874286. The cubic root of 444664023 is about 763.2684850275.

The spelling of 444664023 in words is "four hundred forty-four million, six hundred sixty-four thousand, twenty-three".