326909423 has 2 divisors, whose sum is σ = 326909424. Its totient is φ = 326909422.

The previous prime is 326909411. The next prime is 326909449. The reversal of 326909423 is 324909623.

It is a weak prime.

It is an emirp because it is prime and its reverse (324909623) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-326909423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326900423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163454711 + 163454712.

It is an arithmetic number, because the mean of its divisors is an integer number (163454712).

Almost surely, 2^326909423 is an apocalyptic number.

326909423 is a deficient number, since it is larger than the sum of its proper divisors (1).

326909423 is an equidigital number, since it uses as much as digits as its factorization.

326909423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 326909423 is about 18080.6366867984. The cubic root of 326909423 is about 688.8782606822.

The spelling of 326909423 in words is "three hundred twenty-six million, nine hundred nine thousand, four hundred twenty-three".