23111211422142 has 48 divisors (see below), whose sum is σ = 50155658806032. Its totient is φ = 7691222448000.

The previous prime is 23111211422107. The next prime is 23111211422197. The reversal of 23111211422142 is 24122411211132.

23111211422142 is a `hidden beast` number, since 2 + 3 + 1 + 11 + 211 + 422 + 14 + 2 = 666.

It is a super-2 number, since 2×23111211422142² (a number of 28 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 (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84519642 + ... + 84792642.

It is an arithmetic number, because the mean of its divisors is an integer number (1044909558459).

Almost surely, 2^{23111211422142} is an apocalyptic number.

23111211422142 is an abundant number, since it is smaller than the sum of its proper divisors (27044447383890).

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

23111211422142 is a wasteful number, since it uses less digits than its factorization.

23111211422142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280633 (or 280630 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

Adding to 23111211422142 its reverse (24122411211132), we get a palindrome (47233622633274).

The spelling of 23111211422142 in words is "twenty-three trillion, one hundred eleven billion, two hundred eleven million, four hundred twenty-two thousand, one hundred forty-two".