133023122311 has 4 divisors (see below), whose sum is σ = 133025028472. Its totient is φ = 133021216152.

The previous prime is 133023122279. The next prime is 133023122341. The reversal of 133023122311 is 113221320331.

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

It is a cyclic number.

It is not a de Polignac number, because 133023122311 - 2⁵ = 133023122279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133023122341) 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, 844260 + ... + 989353.

It is an arithmetic number, because the mean of its divisors is an integer number (33256257118).

Almost surely, 2^133023122311 is an apocalyptic number.

133023122311 is a deficient number, since it is larger than the sum of its proper divisors (1906161).

133023122311 is an equidigital number, since it uses as much as digits as its factorization.

133023122311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906160.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 133023122311 its reverse (113221320331), we get a palindrome (246244442642).

The spelling of 133023122311 in words is "one hundred thirty-three billion, twenty-three million, one hundred twenty-two thousand, three hundred eleven".