223106868138 has 64 divisors (see below), whose sum is σ = 556369182720. Its totient is φ = 57944548800.

The previous prime is 223106868137. The next prime is 223106868139. The reversal of 223106868138 is 831868601322.

It is an interprime number because it is at equal distance from previous prime (223106868137) and next prime (223106868139).

It is a super-3 number, since 3×223106868138³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (223106868137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9449508 + ... + 9473088.

It is an arithmetic number, because the mean of its divisors is an integer number (8693268480).

Almost surely, 2^223106868138 is an apocalyptic number.

223106868138 is an abundant number, since it is smaller than the sum of its proper divisors (333262314582).

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

223106868138 is a wasteful number, since it uses less digits than its factorization.

223106868138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44083.

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 223106868138 in words is "two hundred twenty-three billion, one hundred six million, eight hundred sixty-eight thousand, one hundred thirty-eight".