23031311133223 has 2 divisors, whose sum is σ = 23031311133224. Its totient is φ = 23031311133222.

The previous prime is 23031311133221. The next prime is 23031311133227. The reversal of 23031311133223 is 32233111313032.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23031311133223 - 2¹ = 23031311133221 is a prime.

Together with 23031311133221, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 23031311133191 and 23031311133200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23031311133221) 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 as a sum of consecutive naturals, namely, 11515655566611 + 11515655566612.

It is an arithmetic number, because the mean of its divisors is an integer number (11515655566612).

Almost surely, 2^{23031311133223} is an apocalyptic number.

23031311133223 is a deficient number, since it is larger than the sum of its proper divisors (1).

23031311133223 is an equidigital number, since it uses as much as digits as its factorization.

23031311133223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 23031311133223 its reverse (32233111313032), we get a palindrome (55264422446255).

The spelling of 23031311133223 in words is "twenty-three trillion, thirty-one billion, three hundred eleven million, one hundred thirty-three thousand, two hundred twenty-three".