223013255144 has 16 divisors (see below), whose sum is σ = 420956230500. Its totient is φ = 110758260352.

The previous prime is 223013255119. The next prime is 223013255161. The reversal of 223013255144 is 441552310322.

It can be written as a sum of positive squares in 2 ways, for example, as 201304768900 + 21708486244 = 448670^2 + 147338^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 223013255144.

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, 93544637 + ... + 93547020.

Almost surely, 2^223013255144 is an apocalyptic number.

It is an amenable number.

223013255144 is a deficient number, since it is larger than the sum of its proper divisors (197942975356).

223013255144 is a wasteful number, since it uses less digits than its factorization.

223013255144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187091812 (or 187091808 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 223013255144 its reverse (441552310322), we get a palindrome (664565565466).

The spelling of 223013255144 in words is "two hundred twenty-three billion, thirteen million, two hundred fifty-five thousand, one hundred forty-four".