23143333142 has 16 divisors (see below), whose sum is σ = 34798075200. Its totient is φ = 11543995200.

The previous prime is 23143333133. The next prime is 23143333177. The reversal of 23143333142 is 24133334132.

It is a super-2 number, since 2×23143333142² (a number of 22 digits) contains 22 as substring.

It is a congruent 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 in 7 ways as a sum of consecutive naturals, for example, 3986642 + ... + 3992442.

It is an arithmetic number, because the mean of its divisors is an integer number (2174879700).

Almost surely, 2^23143333142 is an apocalyptic number.

23143333142 is a deficient number, since it is larger than the sum of its proper divisors (11654742058).

23143333142 is a wasteful number, since it uses less digits than its factorization.

23143333142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10231.

The product of its digits is 15552, while the sum is 29.

Adding to 23143333142 its reverse (24133334132), we get a palindrome (47276667274).

The spelling of 23143333142 in words is "twenty-three billion, one hundred forty-three million, three hundred thirty-three thousand, one hundred forty-two".