202423320101 has 2 divisors, whose sum is σ = 202423320102. Its totient is φ = 202423320100.

The previous prime is 202423320083. The next prime is 202423320133. The reversal of 202423320101 is 101023324202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188160750625 + 14262569476 = 433775^2 + 119426^2 .

It is a cyclic number.

It is not a de Polignac number, because 202423320101 - 2²⁶ = 202356211237 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202423320301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101211660050 + 101211660051.

It is an arithmetic number, because the mean of its divisors is an integer number (101211660051).

Almost surely, 2^202423320101 is an apocalyptic number.

It is an amenable number.

202423320101 is a deficient number, since it is larger than the sum of its proper divisors (1).

202423320101 is an equidigital number, since it uses as much as digits as its factorization.

202423320101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 202423320101 its reverse (101023324202), we get a palindrome (303446644303).

The spelling of 202423320101 in words is "two hundred two billion, four hundred twenty-three million, three hundred twenty thousand, one hundred one".