202423004 has 24 divisors (see below), whose sum is σ = 415789920. Its totient is φ = 84407616.

The previous prime is 202423003. The next prime is 202423007. The reversal of 202423004 is 400324202.

202423004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202423003) 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 7 ways as a sum of consecutive naturals, for example, 96659 + ... + 98730.

It is an arithmetic number, because the mean of its divisors is an integer number (17324580).

Almost surely, 2^202423004 is an apocalyptic number.

It is an amenable number.

202423004 is an abundant number, since it is smaller than the sum of its proper divisors (213366916).

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

202423004 is a wasteful number, since it uses less digits than its factorization.

202423004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195437 (or 195435 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 202423004 is about 14227.5438498709. The cubic root of 202423004 is about 587.1557097899.

Adding to 202423004 its reverse (400324202), we get a palindrome (602747206).

The spelling of 202423004 in words is "two hundred two million, four hundred twenty-three thousand, four".