200424023 has 4 divisors (see below), whose sum is σ = 200472528. Its totient is φ = 200375520.

The previous prime is 200423969. The next prime is 200424043. The reversal of 200424023 is 320424002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200424023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200423992 and 200424010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200424043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17411 + ... + 26532.

It is an arithmetic number, because the mean of its divisors is an integer number (50118132).

Almost surely, 2^200424023 is an apocalyptic number.

200424023 is a deficient number, since it is larger than the sum of its proper divisors (48505).

200424023 is an equidigital number, since it uses as much as digits as its factorization.

200424023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48504.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 200424023 is about 14157.1191631631. The cubic root of 200424023 is about 585.2165395077.

Adding to 200424023 its reverse (320424002), we get a palindrome (520848025).

The spelling of 200424023 in words is "two hundred million, four hundred twenty-four thousand, twenty-three".