326023493 has 2 divisors, whose sum is σ = 326023494. Its totient is φ = 326023492.

The previous prime is 326023483. The next prime is 326023507. The reversal of 326023493 is 394320623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 234763684 + 91259809 = 15322^2 + 9553^2 .

It is a cyclic number.

It is not a de Polignac number, because 326023493 - 2¹⁸ = 325761349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326023403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163011746 + 163011747.

It is an arithmetic number, because the mean of its divisors is an integer number (163011747).

Almost surely, 2^326023493 is an apocalyptic number.

It is an amenable number.

326023493 is a deficient number, since it is larger than the sum of its proper divisors (1).

326023493 is an equidigital number, since it uses as much as digits as its factorization.

326023493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 32.

The square root of 326023493 is about 18056.1206520116. The cubic root of 326023493 is about 688.2554071618.

The spelling of 326023493 in words is "three hundred twenty-six million, twenty-three thousand, four hundred ninety-three".