2123442344 has 16 divisors (see below), whose sum is σ = 3998116800. Its totient is φ = 1057277872.

The previous prime is 2123442331. The next prime is 2123442353. The reversal of 2123442344 is 4432443212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553382 + ... + 557205.

It is an arithmetic number, because the mean of its divisors is an integer number (249882300).

Almost surely, 2^2123442344 is an apocalyptic number.

It is an amenable number.

2123442344 is a deficient number, since it is larger than the sum of its proper divisors (1874674456).

2123442344 is a wasteful number, since it uses less digits than its factorization.

2123442344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110832 (or 1110828 counting only the distinct ones).

The product of its digits is 18432, while the sum is 29.

The square root of 2123442344 is about 46080.8240377709. The cubic root of 2123442344 is about 1285.3265873909.

Adding to 2123442344 its reverse (4432443212), we get a palindrome (6555885556).

The spelling of 2123442344 in words is "two billion, one hundred twenty-three million, four hundred forty-two thousand, three hundred forty-four".