202142424323 has 8 divisors (see below), whose sum is σ = 232180819200. Its totient is φ = 172394255880.

The previous prime is 202142424313. The next prime is 202142424361. The reversal of 202142424323 is 323424241202.

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

It is not a de Polignac number, because 202142424323 - 2³⁴ = 184962555139 is a prime.

It is a super-2 number, since 2×202142424323² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202142424313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72555113 + ... + 72557898.

It is an arithmetic number, because the mean of its divisors is an integer number (29022602400).

Almost surely, 2^202142424323 is an apocalyptic number.

202142424323 is a deficient number, since it is larger than the sum of its proper divisors (30038394877).

202142424323 is a wasteful number, since it uses less digits than its factorization.

202142424323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145113217.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 202142424323 its reverse (323424241202), we get a palindrome (525566665525).

The spelling of 202142424323 in words is "two hundred two billion, one hundred forty-two million, four hundred twenty-four thousand, three hundred twenty-three".