2143254223 has 16 divisors (see below), whose sum is σ = 2449566720. Its totient is φ = 1857398400.

The previous prime is 2143254221. The next prime is 2143254229. The reversal of 2143254223 is 3224523412.

It is not a de Polignac number, because 2143254223 - 2¹ = 2143254221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2143254191 and 2143254200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143254221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24058 + ... + 69751.

It is an arithmetic number, because the mean of its divisors is an integer number (153097920).

Almost surely, 2^2143254223 is an apocalyptic number.

2143254223 is a deficient number, since it is larger than the sum of its proper divisors (306312497).

2143254223 is a wasteful number, since it uses less digits than its factorization.

2143254223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93918.

The product of its digits is 11520, while the sum is 28.

The square root of 2143254223 is about 46295.2937456930. The cubic root of 2143254223 is about 1289.3116177812.

Adding to 2143254223 its reverse (3224523412), we get a palindrome (5367777635).

The spelling of 2143254223 in words is "two billion, one hundred forty-three million, two hundred fifty-four thousand, two hundred twenty-three".