1001043142323 has 32 divisors (see below), whose sum is σ = 1535552126976. Its totient is φ = 568228354848.

The previous prime is 1001043142289. The next prime is 1001043142343. The reversal of 1001043142323 is 3232413401001.

It is a happy number.

It is not a de Polignac number, because 1001043142323 - 2⁸ = 1001043142067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1001043142293 and 1001043142302.

It is not an unprimeable number, because it can be changed into a prime (1001043142343) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1937386 + ... + 2399072.

It is an arithmetic number, because the mean of its divisors is an integer number (47986003968).

Almost surely, 2^{1001043142323} is an apocalyptic number.

1001043142323 is a deficient number, since it is larger than the sum of its proper divisors (534508984653).

1001043142323 is a wasteful number, since it uses less digits than its factorization.

1001043142323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462383.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1001043142323 its reverse (3232413401001), we get a palindrome (4233456543324).

The spelling of 1001043142323 in words is "one trillion, one billion, forty-three million, one hundred forty-two thousand, three hundred twenty-three".