323012161 has 12 divisors (see below), whose sum is σ = 340207812. Its totient is φ = 306644096.

The previous prime is 323012143. The next prime is 323012167. The reversal of 323012161 is 161210323.

It can be written as a sum of positive squares in 2 ways, for example, as 208629136 + 114383025 = 14444^2 + 10695^2 .

It is not a de Polignac number, because 323012161 - 2¹¹ = 323010113 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (323012167) 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, 70245 + ... + 74701.

It is an arithmetic number, because the mean of its divisors is an integer number (28350651).

Almost surely, 2^323012161 is an apocalyptic number.

It is an amenable number.

323012161 is a deficient number, since it is larger than the sum of its proper divisors (17195651).

323012161 is a wasteful number, since it uses less digits than its factorization.

323012161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4640 (or 4617 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 323012161 is about 17972.5390804972. The cubic root of 323012161 is about 686.1298143325.

Adding to 323012161 its reverse (161210323), we get a palindrome (484222484).

The spelling of 323012161 in words is "three hundred twenty-three million, twelve thousand, one hundred sixty-one".