312221022023 has 2 divisors, whose sum is σ = 312221022024. Its totient is φ = 312221022022.

The previous prime is 312221022013. The next prime is 312221022073. The reversal of 312221022023 is 320220122213.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312221022023 - 2²² = 312216827719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312221021986 and 312221022004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312221022013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156110511011 + 156110511012.

It is an arithmetic number, because the mean of its divisors is an integer number (156110511012).

Almost surely, 2^312221022023 is an apocalyptic number.

312221022023 is a deficient number, since it is larger than the sum of its proper divisors (1).

312221022023 is an equidigital number, since it uses as much as digits as its factorization.

312221022023 is an evil number, because the sum of its binary digits is even.

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

Adding to 312221022023 its reverse (320220122213), we get a palindrome (632441144236).

The spelling of 312221022023 in words is "three hundred twelve billion, two hundred twenty-one million, twenty-two thousand, twenty-three".