200202004423 has 4 divisors (see below), whose sum is σ = 200525433160. Its totient is φ = 199878575688.

The previous prime is 200202004399. The next prime is 200202004447. The reversal of 200202004423 is 324400202002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324400202002 = 2 ⋅162200101001.

It is an interprime number because it is at equal distance from previous prime (200202004399) and next prime (200202004447).

It is a cyclic number.

It is not a de Polignac number, because 200202004423 - 2⁵ = 200202004391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200202004423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200202004523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161713440 + ... + 161714677.

It is an arithmetic number, because the mean of its divisors is an integer number (50131358290).

Almost surely, 2^200202004423 is an apocalyptic number.

200202004423 is a deficient number, since it is larger than the sum of its proper divisors (323428737).

200202004423 is an equidigital number, since it uses as much as digits as its factorization.

200202004423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323428736.

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 200202004423 its reverse (324400202002), we get a palindrome (524602206425).

The spelling of 200202004423 in words is "two hundred billion, two hundred two million, four thousand, four hundred twenty-three".