623708447244 has 48 divisors (see below), whose sum is σ = 1524560217600. Its totient is φ = 198192810816.

The previous prime is 623708447203. The next prime is 623708447311. The reversal of 623708447244 is 442744807326.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11315962 + ... + 11370945.

It is an arithmetic number, because the mean of its divisors is an integer number (31761671200).

Almost surely, 2^623708447244 is an apocalyptic number.

It is an amenable number.

623708447244 is an abundant number, since it is smaller than the sum of its proper divisors (900851770356).

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

623708447244 is a wasteful number, since it uses less digits than its factorization.

623708447244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22687022 (or 22687020 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 51.

The spelling of 623708447244 in words is "six hundred twenty-three billion, seven hundred eight million, four hundred forty-seven thousand, two hundred forty-four".