133021323233 has 4 divisors (see below), whose sum is σ = 133285779648. Its totient is φ = 132756866820.

The previous prime is 133021323217. The next prime is 133021323269. The reversal of 133021323233 is 332323120331.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 133021323233 - 2⁴ = 133021323217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133021323283) 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, 132227453 + ... + 132228458.

It is an arithmetic number, because the mean of its divisors is an integer number (33321444912).

Almost surely, 2^133021323233 is an apocalyptic number.

It is an amenable number.

133021323233 is a deficient number, since it is larger than the sum of its proper divisors (264456415).

133021323233 is an equidigital number, since it uses as much as digits as its factorization.

133021323233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264456414.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 133021323233 its reverse (332323120331), we get a palindrome (465344443564).

The spelling of 133021323233 in words is "one hundred thirty-three billion, twenty-one million, three hundred twenty-three thousand, two hundred thirty-three".