202423040142 has 32 divisors (see below), whose sum is σ = 426222913920. Its totient is φ = 63912693600.

The previous prime is 202423040119. The next prime is 202423040177. The reversal of 202423040142 is 241040324202.

202423040142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 577413 + ... + 859215.

It is an arithmetic number, because the mean of its divisors is an integer number (13319466060).

Almost surely, 2^202423040142 is an apocalyptic number.

202423040142 is an abundant number, since it is smaller than the sum of its proper divisors (223799873778).

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

202423040142 is a wasteful number, since it uses less digits than its factorization.

202423040142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288128.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 202423040142 its reverse (241040324202), we get a palindrome (443463364344).

The spelling of 202423040142 in words is "two hundred two billion, four hundred twenty-three million, forty thousand, one hundred forty-two".