2002423042 has 8 divisors (see below), whose sum is σ = 3004357500. Its totient is φ = 1000970544.

The previous prime is 2002423039. The next prime is 2002423043. The reversal of 2002423042 is 2403242002.

It can be written as a sum of positive squares in 2 ways, for example, as 1838608641 + 163814401 = 42879^2 + 12799^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2002423043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109917 + ... + 126832.

Almost surely, 2^2002423042 is an apocalyptic number.

2002423042 is a deficient number, since it is larger than the sum of its proper divisors (1001934458).

2002423042 is a wasteful number, since it uses less digits than its factorization.

2002423042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240980.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 2002423042 is about 44748.4417829269. The cubic root of 2002423042 is about 1260.4296514931.

Adding to 2002423042 its reverse (2403242002), we get a palindrome (4405665044).

It can be divided in two parts, 200 and 2423042, that added together give a palindrome (2423242).

The spelling of 2002423042 in words is "two billion, two million, four hundred twenty-three thousand, forty-two".