23211010133 has 2 divisors, whose sum is σ = 23211010134. Its totient is φ = 23211010132.

The previous prime is 23211010099. The next prime is 23211010171. The reversal of 23211010133 is 33101011232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12560357329 + 10650652804 = 112073^2 + 103202^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23211010133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23211012133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605505066 + 11605505067.

It is an arithmetic number, because the mean of its divisors is an integer number (11605505067).

Almost surely, 2^23211010133 is an apocalyptic number.

It is an amenable number.

23211010133 is a deficient number, since it is larger than the sum of its proper divisors (1).

23211010133 is an equidigital number, since it uses as much as digits as its factorization.

23211010133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 23211010133 its reverse (33101011232), we get a palindrome (56312021365).

The spelling of 23211010133 in words is "twenty-three billion, two hundred eleven million, ten thousand, one hundred thirty-three".