312210023 has 2 divisors, whose sum is σ = 312210024. Its totient is φ = 312210022.

The previous prime is 312210013. The next prime is 312210029. The reversal of 312210023 is 320012213.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (320012213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312210023 - 2¹⁰ = 312208999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312210029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156105011 + 156105012.

It is an arithmetic number, because the mean of its divisors is an integer number (156105012).

Almost surely, 2^312210023 is an apocalyptic number.

312210023 is a deficient number, since it is larger than the sum of its proper divisors (1).

312210023 is an equidigital number, since it uses as much as digits as its factorization.

312210023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 312210023 is about 17669.4658379930. The cubic root of 312210023 is about 678.3944408779.

Adding to 312210023 its reverse (320012213), we get a palindrome (632222236).

The spelling of 312210023 in words is "three hundred twelve million, two hundred ten thousand, twenty-three".