200404023 has 16 divisors (see below), whose sum is σ = 274210272. Its totient is φ = 130112000.

The previous prime is 200404019. The next prime is 200404027. The reversal of 200404023 is 320404002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (200404019) and next prime (200404027).

It is a cyclic number.

It is not a de Polignac number, because 200404023 - 2² = 200404019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200403993 and 200404011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200404027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92533 + ... + 94673.

It is an arithmetic number, because the mean of its divisors is an integer number (17138142).

Almost surely, 2^200404023 is an apocalyptic number.

200404023 is a deficient number, since it is larger than the sum of its proper divisors (73806249).

200404023 is a wasteful number, since it uses less digits than its factorization.

200404023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2946.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 200404023 is about 14156.4127871435. The cubic root of 200404023 is about 585.1970729122.

Adding to 200404023 its reverse (320404002), we get a palindrome (520808025).

The spelling of 200404023 in words is "two hundred million, four hundred four thousand, twenty-three".