214323817 has 2 divisors, whose sum is σ = 214323818. Its totient is φ = 214323816.

The previous prime is 214323737. The next prime is 214323827. The reversal of 214323817 is 718323412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169754841 + 44568976 = 13029^2 + 6676^2 .

It is a cyclic number.

It is not a de Polignac number, because 214323817 - 2¹¹ = 214321769 is a prime.

It is a super-4 number, since 4×214323817⁴ (a number of 34 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (214323827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107161908 + 107161909.

It is an arithmetic number, because the mean of its divisors is an integer number (107161909).

Almost surely, 2^214323817 is an apocalyptic number.

It is an amenable number.

214323817 is a deficient number, since it is larger than the sum of its proper divisors (1).

214323817 is an equidigital number, since it uses as much as digits as its factorization.

214323817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 214323817 is about 14639.8024918371. The cubic root of 214323817 is about 598.4439466891.

The spelling of 214323817 in words is "two hundred fourteen million, three hundred twenty-three thousand, eight hundred seventeen".