20123322323 has 4 divisors (see below), whose sum is σ = 21671270208. Its totient is φ = 18575374440.

The previous prime is 20123322287. The next prime is 20123322337. The reversal of 20123322323 is 32322332102.

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 20123322323 - 2⁸ = 20123322067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20123322353) 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, 773973923 + ... + 773973948.

It is an arithmetic number, because the mean of its divisors is an integer number (5417817552).

Almost surely, 2^20123322323 is an apocalyptic number.

20123322323 is a deficient number, since it is larger than the sum of its proper divisors (1547947885).

20123322323 is a wasteful number, since it uses less digits than its factorization.

20123322323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547947884.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20123322323 its reverse (32322332102), we get a palindrome (52445654425).

The spelling of 20123322323 in words is "twenty billion, one hundred twenty-three million, three hundred twenty-two thousand, three hundred twenty-three".