326601604443623 has 8 divisors (see below), whose sum is σ = 345817534552992. Its totient is φ = 307386126670336.

The previous prime is 326601604443613. The next prime is 326601604443649. The reversal of 326601604443623 is 326344406106623.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 326601604443623 - 2⁴ = 326601604443607 is a prime.

It is a super-2 number, since 2×326601604443623² (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 (326601604443613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111596915 + ... + 114486132.

It is an arithmetic number, because the mean of its divisors is an integer number (43227191819124).

Almost surely, 2^{326601604443623} is an apocalyptic number.

326601604443623 is a deficient number, since it is larger than the sum of its proper divisors (19215930109369).

326601604443623 is a wasteful number, since it uses less digits than its factorization.

326601604443623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226168041.

The product of its (nonzero) digits is 8957952, while the sum is 50.

The spelling of 326601604443623 in words is "three hundred twenty-six trillion, six hundred one billion, six hundred four million, four hundred forty-three thousand, six hundred twenty-three".