1002443123442 has 8 divisors (see below), whose sum is σ = 2004886246896. Its totient is φ = 334147707812.

The previous prime is 1002443123399. The next prime is 1002443123489. The reversal of 1002443123442 is 2443213442001.

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

1002443123442 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 83536926948 + ... + 83536926959.

It is an arithmetic number, because the mean of its divisors is an integer number (250610780862).

Almost surely, 2^{1002443123442} is an apocalyptic number.

1002443123442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1002443123442 is a wasteful number, since it uses less digits than its factorization.

1002443123442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167073853912.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 1002443123442 its reverse (2443213442001), we get a palindrome (3445656565443).

The spelling of 1002443123442 in words is "one trillion, two billion, four hundred forty-three million, one hundred twenty-three thousand, four hundred forty-two".