202300423 has 16 divisors (see below), whose sum is σ = 228977056. Its totient is φ = 177448320.

The previous prime is 202300379. The next prime is 202300457. The reversal of 202300423 is 324003202.

It is a cyclic number.

It is not a de Polignac number, because 202300423 - 2²⁵ = 168745991 is a prime.

It is a super-2 number, since 2×202300423² = 81850922291957858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202300397 and 202300406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202300123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15793 + ... + 25573.

It is an arithmetic number, because the mean of its divisors is an integer number (14311066).

Almost surely, 2^202300423 is an apocalyptic number.

202300423 is a deficient number, since it is larger than the sum of its proper divisors (26676633).

202300423 is a wasteful number, since it uses less digits than its factorization.

202300423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9874.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 202300423 is about 14223.2353211216. The cubic root of 202300423 is about 587.0371648519.

Adding to 202300423 its reverse (324003202), we get a palindrome (526303625).

The spelling of 202300423 in words is "two hundred two million, three hundred thousand, four hundred twenty-three".