223491011706 has 16 divisors (see below), whose sum is σ = 496646692800. Its totient is φ = 74497003884.

The previous prime is 223491011699. The next prime is 223491011729. The reversal of 223491011706 is 607110194322.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2069361166 + ... + 2069361273.

It is an arithmetic number, because the mean of its divisors is an integer number (31040418300).

Almost surely, 2^223491011706 is an apocalyptic number.

223491011706 is an abundant number, since it is smaller than the sum of its proper divisors (273155681094).

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

223491011706 is a wasteful number, since it uses less digits than its factorization.

223491011706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138722450 (or 4138722444 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 223491011706 in words is "two hundred twenty-three billion, four hundred ninety-one million, eleven thousand, seven hundred six".