623860992228 has 12 divisors (see below), whose sum is σ = 1455675648560. Its totient is φ = 207953664072.

The previous prime is 623860992217. The next prime is 623860992253. The reversal of 623860992228 is 822299068326.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25994207998 + ... + 25994208021.

Almost surely, 2^623860992228 is an apocalyptic number.

It is an amenable number.

623860992228 is an abundant number, since it is smaller than the sum of its proper divisors (831814656332).

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

623860992228 is a wasteful number, since it uses less digits than its factorization.

623860992228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51988416026 (or 51988416024 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 57.

The spelling of 623860992228 in words is "six hundred twenty-three billion, eight hundred sixty million, nine hundred ninety-two thousand, two hundred twenty-eight".