204214423 has 4 divisors (see below), whose sum is σ = 233387920. Its totient is φ = 175040928.

The previous prime is 204214403. The next prime is 204214429. The reversal of 204214423 is 324412402.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324412402 = 2 ⋅162206201.

It is a cyclic number.

It is not a de Polignac number, because 204214423 - 2²¹ = 202117271 is a prime.

It is a super-2 number, since 2×204214423² = 83407061122445858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204214394 and 204214403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204214429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14586738 + ... + 14586751.

It is an arithmetic number, because the mean of its divisors is an integer number (58346980).

Almost surely, 2^204214423 is an apocalyptic number.

204214423 is a deficient number, since it is larger than the sum of its proper divisors (29173497).

204214423 is an equidigital number, since it uses as much as digits as its factorization.

204214423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29173496.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 204214423 is about 14290.3611920763. The cubic root of 204214423 is about 588.8827107549.

Adding to 204214423 its reverse (324412402), we get a palindrome (528626825).

The spelling of 204214423 in words is "two hundred four million, two hundred fourteen thousand, four hundred twenty-three".