23302312133 has 4 divisors (see below), whose sum is σ = 23303661420. Its totient is φ = 23300962848.

The previous prime is 23302312129. The next prime is 23302312141. The reversal of 23302312133 is 33121320332.

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 6535428964 + 16766883169 = 80842^2 + 129487^2 .

It is a cyclic number.

It is not a de Polignac number, because 23302312133 - 2² = 23302312129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23302312099 and 23302312108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23302312123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648398 + ... + 683391.

It is an arithmetic number, because the mean of its divisors is an integer number (5825915355).

Almost surely, 2^23302312133 is an apocalyptic number.

It is an amenable number.

23302312133 is a deficient number, since it is larger than the sum of its proper divisors (1349287).

23302312133 is a wasteful number, since it uses less digits than its factorization.

23302312133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349286.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 23302312133 its reverse (33121320332), we get a palindrome (56423632465).

The spelling of 23302312133 in words is "twenty-three billion, three hundred two million, three hundred twelve thousand, one hundred thirty-three".