202423124042 has 8 divisors (see below), whose sum is σ = 304905124800. Its totient is φ = 100788082444.

The previous prime is 202423124021. The next prime is 202423124053. The reversal of 202423124042 is 240421324202.

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

It is a super-2 number, since 2×202423124042² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211739192 + ... + 211740147.

It is an arithmetic number, because the mean of its divisors is an integer number (38113140600).

Almost surely, 2^202423124042 is an apocalyptic number.

202423124042 is a deficient number, since it is larger than the sum of its proper divisors (102482000758).

202423124042 is a wasteful number, since it uses less digits than its factorization.

202423124042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423479580.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 202423124042 its reverse (240421324202), we get a palindrome (442844448244).

The spelling of 202423124042 in words is "two hundred two billion, four hundred twenty-three million, one hundred twenty-four thousand, forty-two".