2143023442 has 32 divisors (see below), whose sum is σ = 3710085120. Its totient is φ = 909402000.

The previous prime is 2143023437. The next prime is 2143023481. The reversal of 2143023442 is 2443203412.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 627303 + ... + 630709.

It is an arithmetic number, because the mean of its divisors is an integer number (115940160).

Almost surely, 2^2143023442 is an apocalyptic number.

2143023442 is a deficient number, since it is larger than the sum of its proper divisors (1567061678).

2143023442 is a wasteful number, since it uses less digits than its factorization.

2143023442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3846.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2143023442 is about 46292.8011898178. The cubic root of 2143023442 is about 1289.2653393538.

Adding to 2143023442 its reverse (2443203412), we get a palindrome (4586226854).

The spelling of 2143023442 in words is "two billion, one hundred forty-three million, twenty-three thousand, four hundred forty-two".