2123313323 has 4 divisors (see below), whose sum is σ = 2124096960. Its totient is φ = 2122529688.

The previous prime is 2123313301. The next prime is 2123313337. The reversal of 2123313323 is 3233133212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2123313323 - 2¹⁴ = 2123296939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123313223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387740 + ... + 393177.

It is an arithmetic number, because the mean of its divisors is an integer number (531024240).

Almost surely, 2^2123313323 is an apocalyptic number.

2123313323 is a deficient number, since it is larger than the sum of its proper divisors (783637).

2123313323 is an equidigital number, since it uses as much as digits as its factorization.

2123313323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783636.

The product of its digits is 1944, while the sum is 23.

The square root of 2123313323 is about 46079.4240740919. The cubic root of 2123313323 is about 1285.3005545860.

Adding to 2123313323 its reverse (3233133212), we get a palindrome (5356446535).

The spelling of 2123313323 in words is "two billion, one hundred twenty-three million, three hundred thirteen thousand, three hundred twenty-three".