326873231 has 2 divisors, whose sum is σ = 326873232. Its totient is φ = 326873230.

The previous prime is 326873201. The next prime is 326873243. The reversal of 326873231 is 132378623.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 326873231 - 2²² = 322678927 is a prime.

It is a super-2 number, since 2×326873231² = 213692218288758722, which contains 22 as substring.

It is a Chen prime.

It is equal to p_17625941 and since 326873231 and 17625941 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 326873191 and 326873200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326873201) 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, 163436615 + 163436616.

It is an arithmetic number, because the mean of its divisors is an integer number (163436616).

Almost surely, 2^326873231 is an apocalyptic number.

326873231 is a deficient number, since it is larger than the sum of its proper divisors (1).

326873231 is an equidigital number, since it uses as much as digits as its factorization.

326873231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 35.

The square root of 326873231 is about 18079.6358093851. The cubic root of 326873231 is about 688.8528379398.

The spelling of 326873231 in words is "three hundred twenty-six million, eight hundred seventy-three thousand, two hundred thirty-one".