326447744623 has 96 divisors (see below), whose sum is σ = 459388726272. Its totient is φ = 224013081600.

The previous prime is 326447744569. The next prime is 326447744647.

326447744623 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 326447744623 - 2²⁹ = 325910873711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326447744323) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 334132311 + ... + 334133287.

It is an arithmetic number, because the mean of its divisors is an integer number (4785299232).

Almost surely, 2^326447744623 is an apocalyptic number.

326447744623 is a deficient number, since it is larger than the sum of its proper divisors (132940981649).

326447744623 is a wasteful number, since it uses less digits than its factorization.

326447744623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685 (or 1662 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 52.

The spelling of 326447744623 in words is "three hundred twenty-six billion, four hundred forty-seven million, seven hundred forty-four thousand, six hundred twenty-three".