326305823 has 2 divisors, whose sum is σ = 326305824. Its totient is φ = 326305822.

The previous prime is 326305747. The next prime is 326305841. The reversal of 326305823 is 328503623.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 326305823 - 2¹² = 326301727 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 326305823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326305843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163152911 + 163152912.

It is an arithmetic number, because the mean of its divisors is an integer number (163152912).

Almost surely, 2^326305823 is an apocalyptic number.

326305823 is a deficient number, since it is larger than the sum of its proper divisors (1).

326305823 is an equidigital number, since it uses as much as digits as its factorization.

326305823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 326305823 is about 18063.9370847000. The cubic root of 326305823 is about 688.4540217701.

The spelling of 326305823 in words is "three hundred twenty-six million, three hundred five thousand, eight hundred twenty-three".