623449944326 has 16 divisors (see below), whose sum is σ = 1030291720848. Its totient is φ = 280580532000.

The previous prime is 623449944311. The next prime is 623449944353.

623449944326 is nontrivially palindromic in base 10.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140288045 + ... + 140292488.

It is an arithmetic number, because the mean of its divisors is an integer number (64393232553).

Almost surely, 2^623449944326 is an apocalyptic number.

623449944326 is a deficient number, since it is larger than the sum of its proper divisors (406841776522).

623449944326 is a wasteful number, since it uses less digits than its factorization.

623449944326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280580647.

The product of its digits is 26873856, while the sum is 56.

The spelling of 623449944326 in words is "six hundred twenty-three billion, four hundred forty-nine million, nine hundred forty-four thousand, three hundred twenty-six".