623656656326 has 8 divisors (see below), whose sum is σ = 1020529074024. Its totient is φ = 283480298320.

The previous prime is 623656656323. The next prime is 623656656361.

623656656326 is nontrivially palindromic in base 10.

623656656326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623656656323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14174014895 + ... + 14174014938.

It is an arithmetic number, because the mean of its divisors is an integer number (127566134253).

Almost surely, 2^623656656326 is an apocalyptic number.

623656656326 is a deficient number, since it is larger than the sum of its proper divisors (396872417698).

623656656326 is a wasteful number, since it uses less digits than its factorization.

623656656326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28348029846.

The product of its digits is 41990400, while the sum is 56.

The spelling of 623656656326 in words is "six hundred twenty-three billion, six hundred fifty-six million, six hundred fifty-six thousand, three hundred twenty-six".