20123323 has 8 divisors (see below), whose sum is σ = 22052160. Its totient is φ = 18211080.

The previous prime is 20123293. The next prime is 20123339. The reversal of 20123323 is 32332102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20123323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20123297 and 20123306.

It is not an unprimeable number, because it can be changed into a prime (20123923) 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, 1533 + ... + 6526.

It is an arithmetic number, because the mean of its divisors is an integer number (2756520).

Almost surely, 2^20123323 is an apocalyptic number.

20123323 is a deficient number, since it is larger than the sum of its proper divisors (1928837).

20123323 is a wasteful number, since it uses less digits than its factorization.

20123323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8297.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 20123323 is about 4485.9026962251. The cubic root of 20123323 is about 271.9985357116.

Adding to 20123323 its reverse (32332102), we get a palindrome (52455425).

It can be divided in two parts, 2012 and 3323, that added together give a palindrome (5335).

The spelling of 20123323 in words is "twenty million, one hundred twenty-three thousand, three hundred twenty-three".