223021088857 has 24 divisors (see below), whose sum is σ = 264600674016. Its totient is φ = 187385099328.

The previous prime is 223021088831. The next prime is 223021088867. The reversal of 223021088857 is 758880120322.

It is a de Polignac number, because none of the positive numbers 2^k-223021088857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223021088827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 391798 + ... + 774304.

It is an arithmetic number, because the mean of its divisors is an integer number (11025028084).

Almost surely, 2^223021088857 is an apocalyptic number.

It is an amenable number.

223021088857 is a deficient number, since it is larger than the sum of its proper divisors (41579585159).

223021088857 is a wasteful number, since it uses less digits than its factorization.

223021088857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382757 (or 382750 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 46.

The spelling of 223021088857 in words is "two hundred twenty-three billion, twenty-one million, eighty-eight thousand, eight hundred fifty-seven".