326404623 has 4 divisors (see below), whose sum is σ = 435206168. Its totient is φ = 217603080.

The previous prime is 326404621. The next prime is 326404643.

It is a happy number.

326404623 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 326404623 - 2¹ = 326404621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326404621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54400768 + ... + 54400773.

It is an arithmetic number, because the mean of its divisors is an integer number (108801542).

Almost surely, 2^326404623 is an apocalyptic number.

326404623 is a deficient number, since it is larger than the sum of its proper divisors (108801545).

326404623 is a wasteful number, since it uses less digits than its factorization.

326404623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108801544.

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 326404623 is about 18066.6716082404. The cubic root of 326404623 is about 688.5234989177.

The spelling of 326404623 in words is "three hundred twenty-six million, four hundred four thousand, six hundred twenty-three".