200042242423 has 24 divisors (see below), whose sum is σ = 212578783088. Its totient is φ = 188202465792.

The previous prime is 200042242399. The next prime is 200042242481. The reversal of 200042242423 is 324242240002.

It is not a de Polignac number, because 200042242423 - 2¹⁷ = 200042111351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200042242123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8352061 + ... + 8375977.

Almost surely, 2^200042242423 is an apocalyptic number.

200042242423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

200042242423 is a deficient number, since it is larger than the sum of its proper divisors (12536540665).

200042242423 is a wasteful number, since it uses less digits than its factorization.

200042242423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24223 (or 24200 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 200042242423 its reverse (324242240002), we get a palindrome (524284482425).

The spelling of 200042242423 in words is "two hundred billion, forty-two million, two hundred forty-two thousand, four hundred twenty-three".