214323403 has 24 divisors (see below), whose sum is σ = 265028112. Its totient is φ = 172214784.

The previous prime is 214323397. The next prime is 214323433. The reversal of 214323403 is 304323412.

It is a happy number.

It is not a de Polignac number, because 214323403 - 2²⁵ = 180768971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214323433) 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 in 23 ways as a sum of consecutive naturals, for example, 380400 + ... + 380962.

It is an arithmetic number, because the mean of its divisors is an integer number (11042838).

Almost surely, 2^214323403 is an apocalyptic number.

214323403 is a deficient number, since it is larger than the sum of its proper divisors (50704709).

214323403 is a wasteful number, since it uses less digits than its factorization.

214323403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 214323403 is about 14639.7883522953. The cubic root of 214323403 is about 598.4435613595.

Adding to 214323403 its reverse (304323412), we get a palindrome (518646815).

Subtracting 214323403 from its reverse (304323412), we obtain a palindrome (90000009).

The spelling of 214323403 in words is "two hundred fourteen million, three hundred twenty-three thousand, four hundred three".