223120142 has 32 divisors (see below), whose sum is σ = 403185600. Its totient is φ = 90574848.

The previous prime is 223120129. The next prime is 223120147. The reversal of 223120142 is 241021322.

It is a super-3 number, since 3×223120142³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 223120142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223120147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16334 + ... + 26702.

It is an arithmetic number, because the mean of its divisors is an integer number (12599550).

Almost surely, 2^223120142 is an apocalyptic number.

223120142 is a deficient number, since it is larger than the sum of its proper divisors (180065458).

223120142 is a wasteful number, since it uses less digits than its factorization.

223120142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10460.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 223120142 is about 14937.2066331025. The cubic root of 223120142 is about 606.5215821932.

Adding to 223120142 its reverse (241021322), we get a palindrome (464141464).

The spelling of 223120142 in words is "two hundred twenty-three million, one hundred twenty thousand, one hundred forty-two".