1001043023430 has 32 divisors (see below), whose sum is σ = 2419787462400. Its totient is φ = 265024338912.

The previous prime is 1001043023429. The next prime is 1001043023479. The reversal of 1001043023430 is 343203401001.

It is a junction number, because it is equal to n+sod(n) for n = 1001043023397 and 1001043023406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120024970 + ... + 120033309.

It is an arithmetic number, because the mean of its divisors is an integer number (75618358200).

Almost surely, 2^{1001043023430} is an apocalyptic number.

1001043023430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001043023430 is an abundant number, since it is smaller than the sum of its proper divisors (1418744438970).

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

1001043023430 is a wasteful number, since it uses less digits than its factorization.

1001043023430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240058428.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1001043023430 its reverse (343203401001), we get a palindrome (1344246424431).

The spelling of 1001043023430 in words is "one trillion, one billion, forty-three million, twenty-three thousand, four hundred thirty".