23201203133 has 2 divisors, whose sum is σ = 23201203134. Its totient is φ = 23201203132.

The previous prime is 23201203127. The next prime is 23201203159. The reversal of 23201203133 is 33130210232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14582494564 + 8618708569 = 120758^2 + 92837^2 .

It is a cyclic number.

It is not a de Polignac number, because 23201203133 - 2¹² = 23201199037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23201205133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11600601566 + 11600601567.

It is an arithmetic number, because the mean of its divisors is an integer number (11600601567).

Almost surely, 2^23201203133 is an apocalyptic number.

It is an amenable number.

23201203133 is a deficient number, since it is larger than the sum of its proper divisors (1).

23201203133 is an equidigital number, since it uses as much as digits as its factorization.

23201203133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23201203133 its reverse (33130210232), we get a palindrome (56331413365).

The spelling of 23201203133 in words is "twenty-three billion, two hundred one million, two hundred three thousand, one hundred thirty-three".