326868623 has 4 divisors (see below), whose sum is σ = 330105048. Its totient is φ = 323632200.

The previous prime is 326868569. The next prime is 326868637.

It is a happy number.

326868623 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 326868623 - 2⁶ = 326868559 is a prime.

It is a super-2 number, since 2×326868623² = 213686193403832258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326868653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1618061 + ... + 1618262.

It is an arithmetic number, because the mean of its divisors is an integer number (82526262).

Almost surely, 2^326868623 is an apocalyptic number.

326868623 is a deficient number, since it is larger than the sum of its proper divisors (3236425).

326868623 is a wasteful number, since it uses less digits than its factorization.

326868623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3236424.

The product of its digits is 497664, while the sum is 44.

The square root of 326868623 is about 18079.5083727407. The cubic root of 326868623 is about 688.8496009573.

The spelling of 326868623 in words is "three hundred twenty-six million, eight hundred sixty-eight thousand, six hundred twenty-three".