323907049 has 2 divisors, whose sum is σ = 323907050. Its totient is φ = 323907048.

The previous prime is 323907043. The next prime is 323907053. The reversal of 323907049 is 940709323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 282072025 + 41835024 = 16795^2 + 6468^2 .

It is a cyclic number.

It is not a de Polignac number, because 323907049 - 2⁹ = 323906537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 323906999 and 323907017.

It is not a weakly prime, because it can be changed into another prime (323907043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161953524 + 161953525.

It is an arithmetic number, because the mean of its divisors is an integer number (161953525).

Almost surely, 2^323907049 is an apocalyptic number.

It is an amenable number.

323907049 is a deficient number, since it is larger than the sum of its proper divisors (1).

323907049 is an equidigital number, since it uses as much as digits as its factorization.

323907049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 323907049 is about 17997.4178425684. The cubic root of 323907049 is about 686.7628587973.

The spelling of 323907049 in words is "three hundred twenty-three million, nine hundred seven thousand, forty-nine".