23301132233 has 4 divisors (see below), whose sum is σ = 23374637700. Its totient is φ = 23227626768.

The previous prime is 23301132227. The next prime is 23301132241. The reversal of 23301132233 is 33223110332.

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 13388341264 + 9912790969 = 115708^2 + 99563^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23301132233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23301132199 and 23301132208.

It is not an unprimeable number, because it can be changed into a prime (23301131233) 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, 36752258 + ... + 36752891.

It is an arithmetic number, because the mean of its divisors is an integer number (5843659425).

Almost surely, 2^23301132233 is an apocalyptic number.

It is an amenable number.

23301132233 is a deficient number, since it is larger than the sum of its proper divisors (73505467).

23301132233 is an equidigital number, since it uses as much as digits as its factorization.

23301132233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73505466.

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

Adding to 23301132233 its reverse (33223110332), we get a palindrome (56524242565).

The spelling of 23301132233 in words is "twenty-three billion, three hundred one million, one hundred thirty-two thousand, two hundred thirty-three".