326312121213623 has 4 divisors (see below), whose sum is σ = 329542934295048. Its totient is φ = 323081308132200.

The previous prime is 326312121213613. The next prime is 326312121213647.

326312121213623 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 326312121213623 - 2⁴ = 326312121213607 is a prime.

It is a super-2 number, since 2×326312121213623² (a number of 30 digits) 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 (326312121213613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1615406540561 + ... + 1615406540762.

It is an arithmetic number, because the mean of its divisors is an integer number (82385733573762).

Almost surely, 2^{326312121213623} is an apocalyptic number.

326312121213623 is a deficient number, since it is larger than the sum of its proper divisors (3230813081425).

326312121213623 is a wasteful number, since it uses less digits than its factorization.

326312121213623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3230813081424.

The product of its digits is 93312, while the sum is 38.

The spelling of 326312121213623 in words is "three hundred twenty-six trillion, three hundred twelve billion, one hundred twenty-one million, two hundred thirteen thousand, six hundred twenty-three".