11233442142 has 96 divisors (see below), whose sum is σ = 26460907200. Its totient is φ = 3423720960.

The previous prime is 11233442141. The next prime is 11233442203. The reversal of 11233442142 is 24124433211.

11233442142 is a `hidden beast` number, since 1 + 1 + 233 + 4 + 421 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11233442141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14761042 + ... + 14761802.

It is an arithmetic number, because the mean of its divisors is an integer number (275634450).

Almost surely, 2^11233442142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11233442142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13230453600).

11233442142 is an abundant number, since it is smaller than the sum of its proper divisors (15227465058).

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

11233442142 is a wasteful number, since it uses less digits than its factorization.

11233442142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298 (or 1295 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 11233442142 its reverse (24124433211), we get a palindrome (35357875353).

The spelling of 11233442142 in words is "eleven billion, two hundred thirty-three million, four hundred forty-two thousand, one hundred forty-two".