2143253323 has 16 divisors (see below), whose sum is σ = 2233224000. Its totient is φ = 2054424960.

The previous prime is 2143253309. The next prime is 2143253327. The reversal of 2143253323 is 3233523412.

It is a de Polignac number, because none of the positive numbers 2^k-2143253323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2143253291 and 2143253300.

It is not an unprimeable number, because it can be changed into a prime (2143253327) 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, 4260690 + ... + 4261192.

It is an arithmetic number, because the mean of its divisors is an integer number (139576500).

Almost surely, 2^2143253323 is an apocalyptic number.

2143253323 is a deficient number, since it is larger than the sum of its proper divisors (89970677).

2143253323 is a wasteful number, since it uses less digits than its factorization.

2143253323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302.

The product of its digits is 12960, while the sum is 28.

The square root of 2143253323 is about 46295.2840254815. The cubic root of 2143253323 is about 1289.3114373110.

Adding to 2143253323 its reverse (3233523412), we get a palindrome (5376776735).

The spelling of 2143253323 in words is "two billion, one hundred forty-three million, two hundred fifty-three thousand, three hundred twenty-three".