133123333337 has 2 divisors, whose sum is σ = 133123333338. Its totient is φ = 133123333336.

The previous prime is 133123333289. The next prime is 133123333349. The reversal of 133123333337 is 733333321331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91500805081 + 41622528256 = 302491^2 + 204016^2 .

It is a cyclic number.

It is not a de Polignac number, because 133123333337 - 2¹⁰ = 133123332313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133123333297 and 133123333306.

It is not a weakly prime, because it can be changed into another prime (133123336337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66561666668 + 66561666669.

It is an arithmetic number, because the mean of its divisors is an integer number (66561666669).

Almost surely, 2^133123333337 is an apocalyptic number.

It is an amenable number.

133123333337 is a deficient number, since it is larger than the sum of its proper divisors (1).

133123333337 is an equidigital number, since it uses as much as digits as its factorization.

133123333337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 91854, while the sum is 35.

Adding to 133123333337 its reverse (733333321331), we get a palindrome (866456654668).

The spelling of 133123333337 in words is "one hundred thirty-three billion, one hundred twenty-three million, three hundred thirty-three thousand, three hundred thirty-seven".