323447288857 has 16 divisors (see below), whose sum is σ = 404030057472. Its totient is φ = 251554911120.

The previous prime is 323447288809. The next prime is 323447288891. The reversal of 323447288857 is 758882744323.

It is a cyclic number.

It is not a de Polignac number, because 323447288857 - 2¹⁵ = 323447256089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323447288795 and 323447288804.

It is not an unprimeable number, because it can be changed into a prime (323447288357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3975613 + ... + 4056154.

It is an arithmetic number, because the mean of its divisors is an integer number (25251878592).

Almost surely, 2^323447288857 is an apocalyptic number.

It is an amenable number.

323447288857 is a deficient number, since it is larger than the sum of its proper divisors (80582768615).

323447288857 is a wasteful number, since it uses less digits than its factorization.

323447288857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8032308.

The product of its digits is 72253440, while the sum is 61.

It can be divided in two parts, 3234472 and 88857, that added together give a square (3323329 = 1823²).

The spelling of 323447288857 in words is "three hundred twenty-three billion, four hundred forty-seven million, two hundred eighty-eight thousand, eight hundred fifty-seven".