200202423 has 8 divisors (see below), whose sum is σ = 268113408. Its totient is φ = 132879864.

The previous prime is 200202397. The next prime is 200202451. The reversal of 200202423 is 324202002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 200202423 - 2²² = 196008119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200202493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146311 + ... + 147672.

It is an arithmetic number, because the mean of its divisors is an integer number (33514176).

Almost surely, 2^200202423 is an apocalyptic number.

200202423 is a deficient number, since it is larger than the sum of its proper divisors (67910985).

200202423 is a wasteful number, since it uses less digits than its factorization.

200202423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294213.

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

The square root of 200202423 is about 14149.2905475858. The cubic root of 200202423 is about 585.0007772654. Note that the first 3 decimals are identical.

Adding to 200202423 its reverse (324202002), we get a palindrome (524404425).

The spelling of 200202423 in words is "two hundred million, two hundred two thousand, four hundred twenty-three".