200506023 has 10 divisors (see below), whose sum is σ = 299521464. Its totient is φ = 133670628.

The previous prime is 200505989. The next prime is 200506027. The reversal of 200506023 is 320605002.

It is not a de Polignac number, because 200506023 - 2⁹ = 200505511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200505987 and 200506005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200506027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1237611 + ... + 1237772.

Almost surely, 2^200506023 is an apocalyptic number.

200506023 is a deficient number, since it is larger than the sum of its proper divisors (99015441).

200506023 is an equidigital number, since it uses as much as digits as its factorization.

200506023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475395 (or 2475386 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 200506023 is about 14160.0149364328. The cubic root of 200506023 is about 585.2963390123.

The spelling of 200506023 in words is "two hundred million, five hundred six thousand, twenty-three".