523243331430 has 64 divisors (see below), whose sum is σ = 1266431431680. Its totient is φ = 138350893824.

The previous prime is 523243331423. The next prime is 523243331489. The reversal of 523243331430 is 34133342325.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 523243331391 and 523243331400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3456387 + ... + 3604593.

It is an arithmetic number, because the mean of its divisors is an integer number (19787991120).

Almost surely, 2^523243331430 is an apocalyptic number.

523243331430 is an abundant number, since it is smaller than the sum of its proper divisors (743188100250).

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

523243331430 is a wasteful number, since it uses less digits than its factorization.

523243331430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149213.

The product of its (nonzero) digits is 77760, while the sum is 33.

Adding to 523243331430 its reverse (34133342325), we get a palindrome (557376673755).

The spelling of 523243331430 in words is "five hundred twenty-three billion, two hundred forty-three million, three hundred thirty-one thousand, four hundred thirty".