1004013131423 has 4 divisors (see below), whose sum is σ = 1007560881288. Its totient is φ = 1000465381560.

The previous prime is 1004013131419. The next prime is 1004013131489. The reversal of 1004013131423 is 3241313104001.

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 1004013131423 - 2² = 1004013131419 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 (1004013131623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1773874508 + ... + 1773875073.

It is an arithmetic number, because the mean of its divisors is an integer number (251890220322).

Almost surely, 2^{1004013131423} is an apocalyptic number.

1004013131423 is a deficient number, since it is larger than the sum of its proper divisors (3547749865).

1004013131423 is an equidigital number, since it uses as much as digits as its factorization.

1004013131423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3547749864.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1004013131423 its reverse (3241313104001), we get a palindrome (4245326235424).

The spelling of 1004013131423 in words is "one trillion, four billion, thirteen million, one hundred thirty-one thousand, four hundred twenty-three".