1323442443231 has 6 divisors (see below), whose sum is σ = 1911639084680. Its totient is φ = 882294962148.

The previous prime is 1323442443223. The next prime is 1323442443233.

1323442443231 is a `hidden beast` number, since 1 + 323 + 4 + 4 + 2 + 4 + 4 + 323 + 1 = 666.

1323442443231 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1323442443231 - 2³ = 1323442443223 is a prime.

It is a super-2 number, since 2×1323442443231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323442443233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73524580171 + ... + 73524580188.

Almost surely, 2^{1323442443231} is an apocalyptic number.

1323442443231 is a deficient number, since it is larger than the sum of its proper divisors (588196641449).

1323442443231 is a wasteful number, since it uses less digits than its factorization.

1323442443231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147049160365 (or 147049160362 counting only the distinct ones).

The product of its digits is 165888, while the sum is 36.

The spelling of 1323442443231 in words is "one trillion, three hundred twenty-three billion, four hundred forty-two million, four hundred forty-three thousand, two hundred thirty-one".