33223432133 has 4 divisors (see below), whose sum is σ = 34033759788. Its totient is φ = 32413104480.

The previous prime is 33223432117. The next prime is 33223432141. The reversal of 33223432133 is 33123432233.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2353996324 + 30869435809 = 48518^2 + 175697^2 .

It is a cyclic number.

It is not a de Polignac number, because 33223432133 - 2⁴ = 33223432117 is a prime.

It is a super-2 number, since 2×33223432133² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33223432096 and 33223432105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33223432153) 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, 405163766 + ... + 405163847.

It is an arithmetic number, because the mean of its divisors is an integer number (8508439947).

Almost surely, 2^33223432133 is an apocalyptic number.

It is an amenable number.

33223432133 is a deficient number, since it is larger than the sum of its proper divisors (810327655).

33223432133 is an equidigital number, since it uses as much as digits as its factorization.

33223432133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810327654.

The product of its digits is 23328, while the sum is 29.

Adding to 33223432133 its reverse (33123432233), we get a palindrome (66346864366).

The spelling of 33223432133 in words is "thirty-three billion, two hundred twenty-three million, four hundred thirty-two thousand, one hundred thirty-three".