202423130 has 96 divisors (see below), whose sum is σ = 459157248. Its totient is φ = 62899200.

The previous prime is 202423099. The next prime is 202423153. The reversal of 202423130 is 31324202.

It is a junction number, because it is equal to n+sod(n) for n = 202423099 and 202423108.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 839810 + ... + 840050.

It is an arithmetic number, because the mean of its divisors is an integer number (4782888).

Almost surely, 2^202423130 is an apocalyptic number.

202423130 is an abundant number, since it is smaller than the sum of its proper divisors (256734118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202423130 is a wasteful number, since it uses less digits than its factorization.

202423130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 202423130 is about 14227.5482779009. The cubic root of 202423130 is about 587.1558316167.

Adding to 202423130 its reverse (31324202), we get a palindrome (233747332).

The spelling of 202423130 in words is "two hundred two million, four hundred twenty-three thousand, one hundred thirty".