223939940868 has 60 divisors (see below), whose sum is σ = 669055138752. Its totient is φ = 63982839600.

The previous prime is 223939940759. The next prime is 223939940897. The reversal of 223939940868 is 868049939322.

223939940868 is a `hidden beast` number, since 2 + 239 + 399 + 4 + 0 + 8 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 49367208 + ... + 49371743.

Almost surely, 2^223939940868 is an apocalyptic number.

223939940868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

223939940868 is an abundant number, since it is smaller than the sum of its proper divisors (445115197884).

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

223939940868 is a wasteful number, since it uses less digits than its factorization.

223939940868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98738974 (or 98738963 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 63.

The spelling of 223939940868 in words is "two hundred twenty-three billion, nine hundred thirty-nine million, nine hundred forty thousand, eight hundred sixty-eight".