2123345704 has 16 divisors (see below), whose sum is σ = 3995968320. Its totient is φ = 1057754160.

The previous prime is 2123345701. The next prime is 2123345723. The reversal of 2123345704 is 4075433212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2123345701) 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 3 ways as a sum of consecutive naturals, for example, 487534 + ... + 491869.

It is an arithmetic number, because the mean of its divisors is an integer number (249748020).

Almost surely, 2^2123345704 is an apocalyptic number.

It is an amenable number.

2123345704 is a deficient number, since it is larger than the sum of its proper divisors (1872622616).

2123345704 is a wasteful number, since it uses less digits than its factorization.

2123345704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979680 (or 979676 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 2123345704 is about 46079.7754334806. The cubic root of 2123345704 is about 1285.3070882592.

Adding to 2123345704 its reverse (4075433212), we get a palindrome (6198778916).

The spelling of 2123345704 in words is "two billion, one hundred twenty-three million, three hundred forty-five thousand, seven hundred four".