23403411133 has 4 divisors (see below), whose sum is σ = 24210425340. Its totient is φ = 22596396928.

The previous prime is 23403411127. The next prime is 23403411167. The reversal of 23403411133 is 33111430432.

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 8338794489 + 15064616644 = 91317^2 + 122738^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23403411133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23403411098 and 23403411107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23403411103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403507060 + ... + 403507117.

It is an arithmetic number, because the mean of its divisors is an integer number (6052606335).

Almost surely, 2^23403411133 is an apocalyptic number.

It is an amenable number.

23403411133 is a deficient number, since it is larger than the sum of its proper divisors (807014207).

23403411133 is an equidigital number, since it uses as much as digits as its factorization.

23403411133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807014206.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 23403411133 its reverse (33111430432), we get a palindrome (56514841565).

The spelling of 23403411133 in words is "twenty-three billion, four hundred three million, four hundred eleven thousand, one hundred thirty-three".