202131242323 has 2 divisors, whose sum is σ = 202131242324. Its totient is φ = 202131242322.

The previous prime is 202131242267. The next prime is 202131242333. The reversal of 202131242323 is 323242131202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202131242323 - 2²⁹ = 201594371411 is a prime.

It is not a weakly prime, because it can be changed into another prime (202131242333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101065621161 + 101065621162.

It is an arithmetic number, because the mean of its divisors is an integer number (101065621162).

Almost surely, 2^202131242323 is an apocalyptic number.

202131242323 is a deficient number, since it is larger than the sum of its proper divisors (1).

202131242323 is an equidigital number, since it uses as much as digits as its factorization.

202131242323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 202131242323 its reverse (323242131202), we get a palindrome (525373373525).

The spelling of 202131242323 in words is "two hundred two billion, one hundred thirty-one million, two hundred forty-two thousand, three hundred twenty-three".