2123123323 has 8 divisors (see below), whose sum is σ = 2194012656. Its totient is φ = 2053212000.

The previous prime is 2123123311. The next prime is 2123123329. The reversal of 2123123323 is 3233213212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2123123323 - 2⁵ = 2123123291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2123123294 and 2123123303.

It is not an unprimeable number, because it can be changed into a prime (2123123329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240088 + ... + 248773.

It is an arithmetic number, because the mean of its divisors is an integer number (274251582).

Almost surely, 2^2123123323 is an apocalyptic number.

2123123323 is a deficient number, since it is larger than the sum of its proper divisors (70889333).

2123123323 is a wasteful number, since it uses less digits than its factorization.

2123123323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489005.

The product of its digits is 1296, while the sum is 22.

The square root of 2123123323 is about 46077.3623702573. The cubic root of 2123123323 is about 1285.2622160160.

Adding to 2123123323 its reverse (3233213212), we get a palindrome (5356336535).

The spelling of 2123123323 in words is "two billion, one hundred twenty-three million, one hundred twenty-three thousand, three hundred twenty-three".