2143323 has 24 divisors (see below), whose sum is σ = 3811808. Its totient is φ = 1130112.

The previous prime is 2143319. The next prime is 2143331. The reversal of 2143323 is 3233412.

It is not a de Polignac number, because 2143323 - 2² = 2143319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2143296 and 2143305.

It is not an unprimeable number, because it can be changed into a prime (2143313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 490 + ... + 2127.

2^2143323 is an apocalyptic number.

2143323 is a deficient number, since it is larger than the sum of its proper divisors (1668485).

2143323 is a wasteful number, since it uses less digits than its factorization.

2143323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643 (or 2640 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 2143323 is about 1464.0092212824. The cubic root of 2143323 is about 128.9325408965.

Adding to 2143323 its reverse (3233412), we get a palindrome (5376735).

The spelling of 2143323 in words is "two million, one hundred forty-three thousand, three hundred twenty-three".