1011043023000 has 256 divisors, whose sum is σ = 3347064115200. Its totient is φ = 253216102400.

The previous prime is 1011043022947. The next prime is 1011043023031. The reversal of 1011043023000 is 3203401101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24408307 + ... + 24449693.

It is an arithmetic number, because the mean of its divisors is an integer number (13074469200).

Almost surely, 2^{1011043023000} is an apocalyptic number.

1011043023000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011043023000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1673532057600).

1011043023000 is an abundant number, since it is smaller than the sum of its proper divisors (2336021092200).

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

1011043023000 is a wasteful number, since it uses less digits than its factorization.

1011043023000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41907 (or 41893 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1011043023000 its reverse (3203401101), we get a palindrome (1014246424101).

The spelling of 1011043023000 in words is "one trillion, eleven billion, forty-three million, twenty-three thousand".