623442585244326 has 32 divisors (see below), whose sum is σ = 1281056788904928. Its totient is φ = 202123065864960.

The previous prime is 623442585244321. The next prime is 623442585244337.

623442585244326 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×623442585244326² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 623442585244326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623442585244321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 516961285 + ... + 518165856.

It is an arithmetic number, because the mean of its divisors is an integer number (40033024653279).

Almost surely, 2^{623442585244326} is an apocalyptic number.

623442585244326 is an abundant number, since it is smaller than the sum of its proper divisors (657614203660602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

623442585244326 is a wasteful number, since it uses less digits than its factorization.

623442585244326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035129896.

The product of its digits is 265420800, while the sum is 60.

The spelling of 623442585244326 in words is "six hundred twenty-three trillion, four hundred forty-two billion, five hundred eighty-five million, two hundred forty-four thousand, three hundred twenty-six".