23133433133 has 4 divisors (see below), whose sum is σ = 23525525280. Its totient is φ = 22741340988.

The previous prime is 23133433129. The next prime is 23133433171. The reversal of 23133433133 is 33133433132.

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 23133433133 - 2² = 23133433129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23133433096 and 23133433105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23133433333) 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, 196045985 + ... + 196046102.

It is an arithmetic number, because the mean of its divisors is an integer number (5881381320).

Almost surely, 2^23133433133 is an apocalyptic number.

It is an amenable number.

23133433133 is a deficient number, since it is larger than the sum of its proper divisors (392092147).

23133433133 is an equidigital number, since it uses as much as digits as its factorization.

23133433133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392092146.

The product of its digits is 17496, while the sum is 29.

Adding to 23133433133 its reverse (33133433132), we get a palindrome (56266866265).

Subtracting 23133433133 from its reverse (33133433132), we obtain a palindrome (9999999999).

The spelling of 23133433133 in words is "twenty-three billion, one hundred thirty-three million, four hundred thirty-three thousand, one hundred thirty-three".