231222012023 has 2 divisors, whose sum is σ = 231222012024. Its totient is φ = 231222012022.

The previous prime is 231222011987. The next prime is 231222012083. The reversal of 231222012023 is 320210222132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231222012023 - 2¹² = 231222007927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231222011986 and 231222012004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231222012083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115611006011 + 115611006012.

It is an arithmetic number, because the mean of its divisors is an integer number (115611006012).

Almost surely, 2^231222012023 is an apocalyptic number.

231222012023 is a deficient number, since it is larger than the sum of its proper divisors (1).

231222012023 is an equidigital number, since it uses as much as digits as its factorization.

231222012023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 231222012023 its reverse (320210222132), we get a palindrome (551432234155).

The spelling of 231222012023 in words is "two hundred thirty-one billion, two hundred twenty-two million, twelve thousand, twenty-three".