223963428366 has 24 divisors (see below), whose sum is σ = 485268974424. Its totient is φ = 74652186960.

The previous prime is 223963428317. The next prime is 223963428383. The reversal of 223963428366 is 663824369322.

223963428366 is a `hidden beast` number, since 2 + 239 + 6 + 3 + 42 + 8 + 366 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 475440 + ... + 820956.

It is an arithmetic number, because the mean of its divisors is an integer number (20219540601).

Almost surely, 2^223963428366 is an apocalyptic number.

223963428366 is an abundant number, since it is smaller than the sum of its proper divisors (261305546058).

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

223963428366 is a wasteful number, since it uses less digits than its factorization.

223963428366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381536 (or 381533 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 54.

The spelling of 223963428366 in words is "two hundred twenty-three billion, nine hundred sixty-three million, four hundred twenty-eight thousand, three hundred sixty-six".