20002123323 has 96 divisors (see below), whose sum is σ = 35941767680. Its totient is φ = 10437880320.

The previous prime is 20002123307. The next prime is 20002123357. The reversal of 20002123323 is 32332120002.

It is a happy number.

It is not a de Polignac number, because 20002123323 - 2⁴ = 20002123307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20002123296 and 20002123305.

It is not an unprimeable number, because it can be changed into a prime (20002123303) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 48904743 + ... + 48905151.

Almost surely, 2^20002123323 is an apocalyptic number.

20002123323 is a deficient number, since it is larger than the sum of its proper divisors (15939644357).

20002123323 is a wasteful number, since it uses less digits than its factorization.

20002123323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929 (or 926 counting only the distinct ones).

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

Adding to 20002123323 its reverse (32332120002), we get a palindrome (52334243325).

The spelling of 20002123323 in words is "twenty billion, two million, one hundred twenty-three thousand, three hundred twenty-three".