323115461 has 2 divisors, whose sum is σ = 323115462. Its totient is φ = 323115460.

The previous prime is 323115407. The next prime is 323115467. The reversal of 323115461 is 164511323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 304677025 + 18438436 = 17455^2 + 4294^2 .

It is a cyclic number.

It is not a de Polignac number, because 323115461 - 2²² = 318921157 is a prime.

It is a super-2 number, since 2×323115461² = 208807202274485042, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 323115461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323115467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161557730 + 161557731.

It is an arithmetic number, because the mean of its divisors is an integer number (161557731).

Almost surely, 2^323115461 is an apocalyptic number.

It is an amenable number.

323115461 is a deficient number, since it is larger than the sum of its proper divisors (1).

323115461 is an equidigital number, since it uses as much as digits as its factorization.

323115461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

The square root of 323115461 is about 17975.4126795465. The cubic root of 323115461 is about 686.2029484785.

Adding to 323115461 its reverse (164511323), we get a palindrome (487626784).

The spelling of 323115461 in words is "three hundred twenty-three million, one hundred fifteen thousand, four hundred sixty-one".