623618816326 has 64 divisors (see below), whose sum is σ = 1035974339136. Its totient is φ = 279189504000.

The previous prime is 623618816323. The next prime is 623618816329.

623618816326 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (623618816323) and next prime (623618816329).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623618816321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 480815710 + ... + 480817006.

It is an arithmetic number, because the mean of its divisors is an integer number (16187099049).

Almost surely, 2^623618816326 is an apocalyptic number.

623618816326 is a deficient number, since it is larger than the sum of its proper divisors (412355522810).

623618816326 is a wasteful number, since it uses less digits than its factorization.

623618816326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377.

The product of its digits is 2985984, while the sum is 52.

The spelling of 623618816326 in words is "six hundred twenty-three billion, six hundred eighteen million, eight hundred sixteen thousand, three hundred twenty-six".