323377421 has 2 divisors, whose sum is σ = 323377422. Its totient is φ = 323377420.

The previous prime is 323377393. The next prime is 323377487. The reversal of 323377421 is 124773323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 307616521 + 15760900 = 17539^2 + 3970^2 .

It is a cyclic number.

It is not a de Polignac number, because 323377421 - 2⁶ = 323377357 is a prime.

It is a super-2 number, since 2×323377421² = 209145912825222482, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323376421) 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, 161688710 + 161688711.

It is an arithmetic number, because the mean of its divisors is an integer number (161688711).

Almost surely, 2^323377421 is an apocalyptic number.

It is an amenable number.

323377421 is a deficient number, since it is larger than the sum of its proper divisors (1).

323377421 is an equidigital number, since it uses as much as digits as its factorization.

323377421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 32.

The square root of 323377421 is about 17982.6978231855. The cubic root of 323377421 is about 686.3883405849.

The spelling of 323377421 in words is "three hundred twenty-three million, three hundred seventy-seven thousand, four hundred twenty-one".