20202312323 has 2 divisors, whose sum is σ = 20202312324. Its totient is φ = 20202312322.

The previous prime is 20202312289. The next prime is 20202312329. The reversal of 20202312323 is 32321320202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20202312323 - 2¹² = 20202308227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20202312295 and 20202312304.

It is not a weakly prime, because it can be changed into another prime (20202312329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101156161 + 10101156162.

It is an arithmetic number, because the mean of its divisors is an integer number (10101156162).

Almost surely, 2^20202312323 is an apocalyptic number.

20202312323 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202312323 is an equidigital number, since it uses as much as digits as its factorization.

20202312323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20202312323 its reverse (32321320202), we get a palindrome (52523632525).

The spelling of 20202312323 in words is "twenty billion, two hundred two million, three hundred twelve thousand, three hundred twenty-three".