2171463223 has 2 divisors, whose sum is σ = 2171463224. Its totient is φ = 2171463222.

The previous prime is 2171463221. The next prime is 2171463253. The reversal of 2171463223 is 3223641712.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2171463223 - 2¹ = 2171463221 is a prime.

Together with 2171463221, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2171463221) 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, 1085731611 + 1085731612.

It is an arithmetic number, because the mean of its divisors is an integer number (1085731612).

Almost surely, 2^2171463223 is an apocalyptic number.

2171463223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2171463223 is an equidigital number, since it uses as much as digits as its factorization.

2171463223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 31.

The square root of 2171463223 is about 46598.9616086024. The cubic root of 2171463223 is about 1294.9435181559.

The spelling of 2171463223 in words is "two billion, one hundred seventy-one million, four hundred sixty-three thousand, two hundred twenty-three".