1043423201040 has 240 divisors, whose sum is σ = 3576706326144. Its totient is φ = 251435233280.

The previous prime is 1043423200987. The next prime is 1043423201099. The reversal of 1043423201040 is 401023243401.

1043423201040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1043423201040.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4742104 + ... + 4957256.

Almost surely, 2^{1043423201040} is an apocalyptic number.

1043423201040 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 1043423201040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1788353163072).

1043423201040 is an abundant number, since it is smaller than the sum of its proper divisors (2533283125104).

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

1043423201040 is a wasteful number, since it uses less digits than its factorization.

1043423201040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215358 (or 215341 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1043423201040 its reverse (401023243401), we get a palindrome (1444446444441).

The spelling of 1043423201040 in words is "one trillion, forty-three billion, four hundred twenty-three million, two hundred one thousand, forty".