202311020323 has 2 divisors, whose sum is σ = 202311020324. Its totient is φ = 202311020322.

The previous prime is 202311020239. The next prime is 202311020347. The reversal of 202311020323 is 323020113202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202311020323 - 2²¹ = 202308923171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202311020323.

It is not a weakly prime, because it can be changed into another prime (202311021323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101155510161 + 101155510162.

It is an arithmetic number, because the mean of its divisors is an integer number (101155510162).

Almost surely, 2^202311020323 is an apocalyptic number.

202311020323 is a deficient number, since it is larger than the sum of its proper divisors (1).

202311020323 is an equidigital number, since it uses as much as digits as its factorization.

202311020323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 202311020323 its reverse (323020113202), we get a palindrome (525331133525).

The spelling of 202311020323 in words is "two hundred two billion, three hundred eleven million, twenty thousand, three hundred twenty-three".