323506376156089 has 45 divisors (see below), whose sum is σ = 378650862363183. Its totient is φ = 276376361236416.

The previous prime is 323506376155973. The next prime is 323506376156143. The reversal of 323506376156089 is 980651673605323.

The square root of 323506376156089 is 17986283.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 198920418327225 + 124585957828864 = 14103915^2 + 11161808^2 .

It is a de Polignac number, because none of the positive numbers 2^k-323506376156089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 323506376156089.

It is not an unprimeable number, because it can be changed into a prime (323506376156989) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 522627424822 + ... + 522627425440.

Almost surely, 2^{323506376156089} is an apocalyptic number.

323506376156089 is the 17986283-rd square number.

323506376156089 is the 8993142-nd centered octagonal number.

It is an amenable number.

323506376156089 is a deficient number, since it is larger than the sum of its proper divisors (55144486207094).

323506376156089 is an frugal number, since it uses more digits than its factorization.

323506376156089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452 (or 1219 counting only the distinct ones).

The product of its (nonzero) digits is 146966400, while the sum is 64.

The spelling of 323506376156089 in words is "three hundred twenty-three trillion, five hundred six billion, three hundred seventy-six million, one hundred fifty-six thousand, eighty-nine".