323053681 has 2 divisors, whose sum is σ = 323053682. Its totient is φ = 323053680.

The previous prime is 323053639. The next prime is 323053721. The reversal of 323053681 is 186350323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 318301281 + 4752400 = 17841^2 + 2180^2 .

It is an emirp because it is prime and its reverse (186350323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323053681 - 2⁹ = 323053169 is a prime.

It is a super-2 number, since 2×323053681² = 208727361615299522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (323053631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161526840 + 161526841.

It is an arithmetic number, because the mean of its divisors is an integer number (161526841).

Almost surely, 2^323053681 is an apocalyptic number.

It is an amenable number.

323053681 is a deficient number, since it is larger than the sum of its proper divisors (1).

323053681 is an equidigital number, since it uses as much as digits as its factorization.

323053681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 323053681 is about 17973.6941389354. The cubic root of 323053681 is about 686.1592114604.

The spelling of 323053681 in words is "three hundred twenty-three million, fifty-three thousand, six hundred eighty-one".