2125164223 has 16 divisors (see below), whose sum is σ = 2654632960. Its totient is φ = 1656347616.

The previous prime is 2125164199. The next prime is 2125164257. The reversal of 2125164223 is 3224615212.

It is not a de Polignac number, because 2125164223 - 2⁵ = 2125164191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2125164191 and 2125164200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125164023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168183 + ... + 180376.

It is an arithmetic number, because the mean of its divisors is an integer number (165914560).

Almost surely, 2^2125164223 is an apocalyptic number.

2125164223 is a deficient number, since it is larger than the sum of its proper divisors (529468737).

2125164223 is a wasteful number, since it uses less digits than its factorization.

2125164223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348646.

The product of its digits is 5760, while the sum is 28.

The square root of 2125164223 is about 46099.5035005801. The cubic root of 2125164223 is about 1285.6739131879.

Adding to 2125164223 its reverse (3224615212), we get a palindrome (5349779435).

The spelling of 2125164223 in words is "two billion, one hundred twenty-five million, one hundred sixty-four thousand, two hundred twenty-three".