623256740381768 has 64 divisors (see below), whose sum is σ = 1196582798759040. Its totient is φ = 304177751023104.

The previous prime is 623256740381749. The next prime is 623256740381783. The reversal of 623256740381768 is 867183047652326.

It is a junction number, because it is equal to n+sod(n) for n = 623256740381698 and 623256740381707.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3286205630 + ... + 3286395282.

It is an arithmetic number, because the mean of its divisors is an integer number (18696606230610).

Almost surely, 2^{623256740381768} is an apocalyptic number.

It is an amenable number.

623256740381768 is a deficient number, since it is larger than the sum of its proper divisors (573326058377272).

623256740381768 is a wasteful number, since it uses less digits than its factorization.

623256740381768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196038 (or 196034 counting only the distinct ones).

The product of its (nonzero) digits is 487710720, while the sum is 68.

The spelling of 623256740381768 in words is "six hundred twenty-three trillion, two hundred fifty-six billion, seven hundred forty million, three hundred eighty-one thousand, seven hundred sixty-eight".