23201133311 has 2 divisors, whose sum is σ = 23201133312. Its totient is φ = 23201133310.

The previous prime is 23201133289. The next prime is 23201133337. The reversal of 23201133311 is 11333110232.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23201133311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23201133211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11600566655 + 11600566656.

It is an arithmetic number, because the mean of its divisors is an integer number (11600566656).

Almost surely, 2^23201133311 is an apocalyptic number.

23201133311 is a deficient number, since it is larger than the sum of its proper divisors (1).

23201133311 is an equidigital number, since it uses as much as digits as its factorization.

23201133311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 23201133311 its reverse (11333110232), we get a palindrome (34534243543).

The spelling of 23201133311 in words is "twenty-three billion, two hundred one million, one hundred thirty-three thousand, three hundred eleven".