323013561 has 16 divisors (see below), whose sum is σ = 464143680. Its totient is φ = 198636480.

The previous prime is 323013553. The next prime is 323013631. The reversal of 323013561 is 165310323.

It is a happy number.

It is not a de Polignac number, because 323013561 - 2³ = 323013553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (323013161) 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, 89451 + ... + 92991.

It is an arithmetic number, because the mean of its divisors is an integer number (29008980).

Almost surely, 2^323013561 is an apocalyptic number.

It is an amenable number.

323013561 is a deficient number, since it is larger than the sum of its proper divisors (141130119).

323013561 is a wasteful number, since it uses less digits than its factorization.

323013561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5896.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 323013561 is about 17972.5780287637. The cubic root of 323013561 is about 686.1308056062.

Adding to 323013561 its reverse (165310323), we get a palindrome (488323884).

The spelling of 323013561 in words is "three hundred twenty-three million, thirteen thousand, five hundred sixty-one".