326553355623 has 144 divisors (see below), whose sum is σ = 538812408960. Its totient is φ = 175260349440.

The previous prime is 326553355621. The next prime is 326553355633.

326553355623 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 326553355623 - 2¹ = 326553355621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326553355621) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 344828836 + ... + 344829782.

It is an arithmetic number, because the mean of its divisors is an integer number (3741752840).

Almost surely, 2^326553355623 is an apocalyptic number.

326553355623 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

326553355623 is a deficient number, since it is larger than the sum of its proper divisors (212259053337).

326553355623 is a wasteful number, since it uses less digits than its factorization.

326553355623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198 (or 1170 counting only the distinct ones).

The product of its digits is 7290000, while the sum is 48.

The spelling of 326553355623 in words is "three hundred twenty-six billion, five hundred fifty-three million, three hundred fifty-five thousand, six hundred twenty-three".