344878023656 has 16 divisors (see below), whose sum is σ = 684684311940. Its totient is φ = 162295540480.

The previous prime is 344878023641. The next prime is 344878023701. The reversal of 344878023656 is 656320878443.

It can be written as a sum of positive squares in 2 ways, for example, as 263441986756 + 81436036900 = 513266^2 + 285370^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1267933775 + ... + 1267934046.

Almost surely, 2^344878023656 is an apocalyptic number.

It is an amenable number.

344878023656 is a deficient number, since it is larger than the sum of its proper divisors (339806288284).

344878023656 is a wasteful number, since it uses less digits than its factorization.

344878023656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2535867844 (or 2535867840 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 56.

The spelling of 344878023656 in words is "three hundred forty-four billion, eight hundred seventy-eight million, twenty-three thousand, six hundred fifty-six".