323644642047 has 12 divisors (see below), whose sum is σ = 467678565640. Its totient is φ = 215674543728.

The previous prime is 323644642021. The next prime is 323644642129. The reversal of 323644642047 is 740246446323.

323644642047 is a `hidden beast` number, since 323 + 64 + 4 + 64 + 204 + 7 = 666.

It is not a de Polignac number, because 323644642047 - 2¹⁵ = 323644609279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323644641993 and 323644642011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323644642247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7356097 + ... + 7399962.

Almost surely, 2^323644642047 is an apocalyptic number.

323644642047 is a deficient number, since it is larger than the sum of its proper divisors (144033923593).

323644642047 is a wasteful number, since it uses less digits than its factorization.

323644642047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14758502 (or 14758499 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 45.

The spelling of 323644642047 in words is "three hundred twenty-three billion, six hundred forty-four million, six hundred forty-two thousand, forty-seven".