223030978858 has 8 divisors (see below), whose sum is σ = 334558535652. Its totient is φ = 111511466976.

The previous prime is 223030978837. The next prime is 223030978873. The reversal of 223030978858 is 858879030322.

It can be written as a sum of positive squares in 2 ways, for example, as 157431987729 + 65598991129 = 396777^2 + 256123^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 223030978799 and 223030978808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1941435 + ... + 2053102.

Almost surely, 2^223030978858 is an apocalyptic number.

223030978858 is a deficient number, since it is larger than the sum of its proper divisors (111527556794).

223030978858 is a wasteful number, since it uses less digits than its factorization.

223030978858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4022456.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 223030978858 in words is "two hundred twenty-three billion, thirty million, nine hundred seventy-eight thousand, eight hundred fifty-eight".