323712401 has 2 divisors, whose sum is σ = 323712402. Its totient is φ = 323712400.

The previous prime is 323712391. The next prime is 323712407. The reversal of 323712401 is 104217323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 309724801 + 13987600 = 17599^2 + 3740^2 .

It is a cyclic number.

It is not a de Polignac number, because 323712401 - 2²⁶ = 256603537 is a prime.

It is a super-2 number, since 2×323712401² = 209579437122369602, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (323712407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161856200 + 161856201.

It is an arithmetic number, because the mean of its divisors is an integer number (161856201).

Almost surely, 2^323712401 is an apocalyptic number.

It is an amenable number.

323712401 is a deficient number, since it is larger than the sum of its proper divisors (1).

323712401 is an equidigital number, since it uses as much as digits as its factorization.

323712401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 323712401 is about 17992.0093652710. The cubic root of 323712401 is about 686.6252639703.

Adding to 323712401 its reverse (104217323), we get a palindrome (427929724).

The spelling of 323712401 in words is "three hundred twenty-three million, seven hundred twelve thousand, four hundred one".