523443143240000 has 420 divisors, whose sum is σ = 1347812804642304. Its totient is φ = 201624562944000.

The previous prime is 523443143239963. The next prime is 523443143240027. The reversal of 523443143240000 is 42341344325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 12884099687 + ... + 12884140313.

Almost surely, 2^{523443143240000} is an apocalyptic number.

523443143240000 is a gapful number since it is divisible by the number (50) 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 523443143240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (673906402321152).

523443143240000 is an abundant number, since it is smaller than the sum of its proper divisors (824369661402304).

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

523443143240000 is an equidigital number, since it uses as much as digits as its factorization.

523443143240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41100 (or 41046 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 523443143240000 its reverse (42341344325), we get a palindrome (523485484584325).

The spelling of 523443143240000 in words is "five hundred twenty-three trillion, four hundred forty-three billion, one hundred forty-three million, two hundred forty thousand".