20243023323 has 16 divisors (see below), whose sum is σ = 27940442400. Its totient is φ = 13021111040.

The previous prime is 20243023261. The next prime is 20243023331. The reversal of 20243023323 is 32332034202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20243023323 - 2⁶ = 20243023259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20243023293 and 20243023302.

It is not an unprimeable number, because it can be changed into a prime (20243023363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50293 + ... + 207401.

It is an arithmetic number, because the mean of its divisors is an integer number (1746277650).

Almost surely, 2^20243023323 is an apocalyptic number.

20243023323 is a deficient number, since it is larger than the sum of its proper divisors (7697419077).

20243023323 is a wasteful number, since it uses less digits than its factorization.

20243023323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158622.

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 20243023323 its reverse (32332034202), we get a palindrome (52575057525).

The spelling of 20243023323 in words is "twenty billion, two hundred forty-three million, twenty-three thousand, three hundred twenty-three".