200401023 has 16 divisors (see below), whose sum is σ = 270466560. Its totient is φ = 131974944.

The previous prime is 200401021. The next prime is 200401039. The reversal of 200401023 is 320104002.

It is not a de Polignac number, because 200401023 - 2¹ = 200401021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200401021) 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, 238438 + ... + 239276.

It is an arithmetic number, because the mean of its divisors is an integer number (16904160).

Almost surely, 2^200401023 is an apocalyptic number.

200401023 is a deficient number, since it is larger than the sum of its proper divisors (70065537).

200401023 is a wasteful number, since it uses less digits than its factorization.

200401023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 200401023 is about 14156.3068277005. The cubic root of 200401023 is about 585.1941528112.

Adding to 200401023 its reverse (320104002), we get a palindrome (520505025).

The spelling of 200401023 in words is "two hundred million, four hundred one thousand, twenty-three".