214985123 has 2 divisors, whose sum is σ = 214985124. Its totient is φ = 214985122.

The previous prime is 214985087. The next prime is 214985137. The reversal of 214985123 is 321589412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214985123 - 2¹⁸ = 214722979 is a prime.

It is a super-2 number, since 2×214985123² = 92437206222650258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (214985143) 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, 107492561 + 107492562.

It is an arithmetic number, because the mean of its divisors is an integer number (107492562).

Almost surely, 2^214985123 is an apocalyptic number.

214985123 is a deficient number, since it is larger than the sum of its proper divisors (1).

214985123 is an equidigital number, since it uses as much as digits as its factorization.

214985123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 35.

The square root of 214985123 is about 14662.3709883497. The cubic root of 214985123 is about 599.0588234907.

The spelling of 214985123 in words is "two hundred fourteen million, nine hundred eighty-five thousand, one hundred twenty-three".