223445111690 has 16 divisors (see below), whose sum is σ = 402238132200. Its totient is φ = 89369837760.

The previous prime is 223445111653. The next prime is 223445111713. The reversal of 223445111690 is 96111544322.

223445111690 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 123716103289 + 99729008401 = 351733^2 + 315799^2 .

It is a super-3 number, since 3×223445111690³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 910901 + ... + 1129880.

Almost surely, 2^223445111690 is an apocalyptic number.

223445111690 is a deficient number, since it is larger than the sum of its proper divisors (178793020510).

223445111690 is a wasteful number, since it uses less digits than its factorization.

223445111690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051737.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 223445111690 in words is "two hundred twenty-three billion, four hundred forty-five million, one hundred eleven thousand, six hundred ninety".