326989989623 has 8 divisors (see below), whose sum is σ = 358508899200. Its totient is φ = 295769837880.

The previous prime is 326989989617. The next prime is 326989989629.

326989989623 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (326989989617) and next prime (326989989629).

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

It is not a de Polignac number, because 326989989623 - 2⁸ = 326989989367 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 (326989989629) 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, 74687165 + ... + 74691542.

It is an arithmetic number, because the mean of its divisors is an integer number (44813612400).

Almost surely, 2^326989989623 is an apocalyptic number.

326989989623 is a deficient number, since it is larger than the sum of its proper divisors (31518909577).

326989989623 is a wasteful number, since it uses less digits than its factorization.

326989989623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149378917.

The product of its digits is 544195584, while the sum is 74.

The spelling of 326989989623 in words is "three hundred twenty-six billion, nine hundred eighty-nine million, nine hundred eighty-nine thousand, six hundred twenty-three".