223142231594 has 4 divisors (see below), whose sum is σ = 334713347394. Its totient is φ = 111571115796.

The previous prime is 223142231579. The next prime is 223142231603. The reversal of 223142231594 is 495132241322.

223142231594 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 495132241322 = 2 ⋅247566120661.

It can be written as a sum of positive squares in only one way, i.e., 218860230625 + 4282000969 = 467825^2 + 65437^2 .

It is a super-3 number, since 3×223142231594³ (a number of 35 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55785557897 + ... + 55785557900.

Almost surely, 2^223142231594 is an apocalyptic number.

223142231594 is a deficient number, since it is larger than the sum of its proper divisors (111571115800).

223142231594 is a wasteful number, since it uses less digits than its factorization.

223142231594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111571115799.

The product of its digits is 103680, while the sum is 38.

The spelling of 223142231594 in words is "two hundred twenty-three billion, one hundred forty-two million, two hundred thirty-one thousand, five hundred ninety-four".