623666424666326 has 16 divisors (see below), whose sum is σ = 943779602537568. Its totient is φ = 309073230883200.

The previous prime is 623666424666319. The next prime is 623666424666343.

623666424666326 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 7 ways as a sum of consecutive naturals, for example, 262655231 + ... + 265019061.

It is an arithmetic number, because the mean of its divisors is an integer number (58986225158598).

Almost surely, 2^{623666424666326} is an apocalyptic number.

623666424666326 is a deficient number, since it is larger than the sum of its proper divisors (320113177871242).

623666424666326 is a wasteful number, since it uses less digits than its factorization.

623666424666326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3531367.

The product of its digits is 1934917632, while the sum is 68.

The spelling of 623666424666326 in words is "six hundred twenty-three trillion, six hundred sixty-six billion, four hundred twenty-four million, six hundred sixty-six thousand, three hundred twenty-six".