204063623 has 4 divisors (see below), whose sum is σ = 204187560. Its totient is φ = 203939688.

The previous prime is 204063619. The next prime is 204063647. The reversal of 204063623 is 326360402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 326360402 = 2 ⋅163180201.

It is a cyclic number.

It is not a de Polignac number, because 204063623 - 2² = 204063619 is a prime.

It is a super-2 number, since 2×204063623² = 83283924463772258, 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 = 204063592 and 204063601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204063523) 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 3 ways as a sum of consecutive naturals, for example, 59465 + ... + 62802.

It is an arithmetic number, because the mean of its divisors is an integer number (51046890).

Almost surely, 2^204063623 is an apocalyptic number.

204063623 is a deficient number, since it is larger than the sum of its proper divisors (123937).

204063623 is a wasteful number, since it uses less digits than its factorization.

204063623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123936.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 204063623 is about 14285.0839339501. The cubic root of 204063623 is about 588.7377236394.

The spelling of 204063623 in words is "two hundred four million, sixty-three thousand, six hundred twenty-three".