623766606667326 has 12 divisors (see below), whose sum is σ = 1351494314445912. Its totient is φ = 207922202222436.

The previous prime is 623766606667313. The next prime is 623766606667357.

623766606667326 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17326850185186 + ... + 17326850185221.

It is an arithmetic number, because the mean of its divisors is an integer number (112624526203826).

Almost surely, 2^{623766606667326} is an apocalyptic number.

623766606667326 is an abundant number, since it is smaller than the sum of its proper divisors (727727707778586).

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

623766606667326 is a wasteful number, since it uses less digits than its factorization.

623766606667326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34653700370415 (or 34653700370412 counting only the distinct ones).

The product of its (nonzero) digits is 2962842624, while the sum is 72.

The spelling of 623766606667326 in words is "six hundred twenty-three trillion, seven hundred sixty-six billion, six hundred six million, six hundred sixty-seven thousand, three hundred twenty-six".