2123311442 has 8 divisors (see below), whose sum is σ = 3639962496. Its totient is φ = 909990612.

The previous prime is 2123311439. The next prime is 2123311451. The reversal of 2123311442 is 2441133212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75832538 + ... + 75832565.

It is an arithmetic number, because the mean of its divisors is an integer number (454995312).

Almost surely, 2^2123311442 is an apocalyptic number.

2123311442 is a deficient number, since it is larger than the sum of its proper divisors (1516651054).

2123311442 is a wasteful number, since it uses less digits than its factorization.

2123311442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151665112.

The product of its digits is 1152, while the sum is 23.

The square root of 2123311442 is about 46079.4036636760. The cubic root of 2123311442 is about 1285.3001750454.

Adding to 2123311442 its reverse (2441133212), we get a palindrome (4564444654).

The spelling of 2123311442 in words is "two billion, one hundred twenty-three million, three hundred eleven thousand, four hundred forty-two".