326223397 has 2 divisors, whose sum is σ = 326223398. Its totient is φ = 326223396.

The previous prime is 326223379. The next prime is 326223463. The reversal of 326223397 is 793322623.

Together with previous prime (326223379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199120321 + 127103076 = 14111^2 + 11274^2 .

It is a cyclic number.

It is not a de Polignac number, because 326223397 - 2²³ = 317834789 is a prime.

It is a Chen prime.

It is equal to p_17592904 and since 326223397 and 17592904 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326223307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163111698 + 163111699.

It is an arithmetic number, because the mean of its divisors is an integer number (163111699).

Almost surely, 2^326223397 is an apocalyptic number.

It is an amenable number.

326223397 is a deficient number, since it is larger than the sum of its proper divisors (1).

326223397 is an equidigital number, since it uses as much as digits as its factorization.

326223397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 37.

The square root of 326223397 is about 18061.6554335421. The cubic root of 326223397 is about 688.3960482516.

The spelling of 326223397 in words is "three hundred twenty-six million, two hundred twenty-three thousand, three hundred ninety-seven".