11234321142 has 32 divisors (see below), whose sum is σ = 24532066944. Its totient is φ = 3401448000.

The previous prime is 11234321099. The next prime is 11234321143. The reversal of 11234321142 is 24112343211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11234321143) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6642 + ... + 150042.

It is an arithmetic number, because the mean of its divisors is an integer number (766627092).

Almost surely, 2^11234321142 is an apocalyptic number.

11234321142 is an abundant number, since it is smaller than the sum of its proper divisors (13297745802).

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

11234321142 is a wasteful number, since it uses less digits than its factorization.

11234321142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144604.

The product of its digits is 1152, while the sum is 24.

Adding to 11234321142 its reverse (24112343211), we get a palindrome (35346664353).

The spelling of 11234321142 in words is "eleven billion, two hundred thirty-four million, three hundred twenty-one thousand, one hundred forty-two".