1002142343423 has 4 divisors (see below), whose sum is σ = 1079230216008. Its totient is φ = 925054470840.

The previous prime is 1002142343413. The next prime is 1002142343429. The reversal of 1002142343423 is 3243432412001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1002142343423 - 2³⁴ = 984962474239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002142343429) 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, 38543936273 + ... + 38543936298.

It is an arithmetic number, because the mean of its divisors is an integer number (269807554002).

Almost surely, 2^{1002142343423} is an apocalyptic number.

1002142343423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1002142343423 is a deficient number, since it is larger than the sum of its proper divisors (77087872585).

1002142343423 is an equidigital number, since it uses as much as digits as its factorization.

1002142343423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77087872584.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 1002142343423 its reverse (3243432412001), we get a palindrome (4245574755424).

The spelling of 1002142343423 in words is "one trillion, two billion, one hundred forty-two million, three hundred forty-three thousand, four hundred twenty-three".