523143233104240 has 80 divisors (see below), whose sum is σ = 1390069800499392. Its totient is φ = 179362943188992.

The previous prime is 523143233104067. The next prime is 523143233104267. The reversal of 523143233104240 is 42401332341325.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 523143233104240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283109392 + ... + 284951248.

Almost surely, 2^{523143233104240} is an apocalyptic number.

It is an amenable number.

523143233104240 is an abundant number, since it is smaller than the sum of its proper divisors (866926567395152).

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

523143233104240 is a wasteful number, since it uses less digits than its factorization.

523143233104240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349074 (or 2349068 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 523143233104240 its reverse (42401332341325), we get a palindrome (565544565445565).

The spelling of 523143233104240 in words is "five hundred twenty-three trillion, one hundred forty-three billion, two hundred thirty-three million, one hundred four thousand, two hundred forty".