133143312233 has 4 divisors (see below), whose sum is σ = 133148128848. Its totient is φ = 133138495620.

The previous prime is 133143312191. The next prime is 133143312277. The reversal of 133143312233 is 332213341331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 332213341331 = 1373 ⋅241961647.

It is a cyclic number.

It is not a de Polignac number, because 133143312233 - 2¹⁶ = 133143246697 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133143312196 and 133143312205.

It is not an unprimeable number, because it can be changed into a prime (133143312733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2366603 + ... + 2422208.

It is an arithmetic number, because the mean of its divisors is an integer number (33287032212).

Almost surely, 2^133143312233 is an apocalyptic number.

It is an amenable number.

133143312233 is a deficient number, since it is larger than the sum of its proper divisors (4816615).

133143312233 is an equidigital number, since it uses as much as digits as its factorization.

133143312233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4816614.

The product of its digits is 11664, while the sum is 29.

Adding to 133143312233 its reverse (332213341331), we get a palindrome (465356653564).

The spelling of 133143312233 in words is "one hundred thirty-three billion, one hundred forty-three million, three hundred twelve thousand, two hundred thirty-three".