326105501623 has 4 divisors (see below), whose sum is σ = 355751456328. Its totient is φ = 296459546920.

The previous prime is 326105501591. The next prime is 326105501627.

326105501623 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 326105501623 - 2⁵ = 326105501591 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 (326105501627) 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, 14822977336 + ... + 14822977357.

It is an arithmetic number, because the mean of its divisors is an integer number (88937864082).

Almost surely, 2^326105501623 is an apocalyptic number.

326105501623 is a deficient number, since it is larger than the sum of its proper divisors (29645954705).

326105501623 is a wasteful number, since it uses less digits than its factorization.

326105501623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29645954704.

The product of its (nonzero) digits is 32400, while the sum is 34.

It can be divided in two parts, 326105 and 501623, that added together give a palindrome (827728).

The spelling of 326105501623 in words is "three hundred twenty-six billion, one hundred five million, five hundred one thousand, six hundred twenty-three".