23131032233 has 2 divisors, whose sum is σ = 23131032234. Its totient is φ = 23131032232.

The previous prime is 23131032227. The next prime is 23131032289. The reversal of 23131032233 is 33223013132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12694979584 + 10436052649 = 112672^2 + 102157^2 .

It is a cyclic number.

It is not a de Polignac number, because 23131032233 - 2⁸ = 23131031977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23131032199 and 23131032208.

It is not a weakly prime, because it can be changed into another prime (23131034233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565516116 + 11565516117.

It is an arithmetic number, because the mean of its divisors is an integer number (11565516117).

Almost surely, 2^23131032233 is an apocalyptic number.

It is an amenable number.

23131032233 is a deficient number, since it is larger than the sum of its proper divisors (1).

23131032233 is an equidigital number, since it uses as much as digits as its factorization.

23131032233 is an evil number, because the sum of its binary digits is even.

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

Adding to 23131032233 its reverse (33223013132), we get a palindrome (56354045365).

The spelling of 23131032233 in words is "twenty-three billion, one hundred thirty-one million, thirty-two thousand, two hundred thirty-three".