23113333133 has 4 divisors (see below), whose sum is σ = 25214545248. Its totient is φ = 21012121020.

The previous prime is 23113333091. The next prime is 23113333151. The reversal of 23113333133 is 33133331132.

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 not a de Polignac number, because 23113333133 - 2⁶ = 23113333069 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 (23113333163) 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, 1050606041 + ... + 1050606062.

It is an arithmetic number, because the mean of its divisors is an integer number (6303636312).

Almost surely, 2^23113333133 is an apocalyptic number.

It is an amenable number.

23113333133 is a deficient number, since it is larger than the sum of its proper divisors (2101212115).

23113333133 is a wasteful number, since it uses less digits than its factorization.

23113333133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101212114.

The product of its digits is 4374, while the sum is 26.

Adding to 23113333133 its reverse (33133331132), we get a palindrome (56246664265).

The spelling of 23113333133 in words is "twenty-three billion, one hundred thirteen million, three hundred thirty-three thousand, one hundred thirty-three".