523034243520 has 672 divisors, whose sum is σ = 1810048508928. Its totient is φ = 127877750784.

The previous prime is 523034243489. The next prime is 523034243531. The reversal of 523034243520 is 25342430325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2654996062 + ... + 2654996258.

Almost surely, 2^523034243520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 523034243520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (905024254464).

523034243520 is an abundant number, since it is smaller than the sum of its proper divisors (1287014265408).

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

523034243520 is a wasteful number, since it uses less digits than its factorization.

523034243520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 33.

Adding to 523034243520 its reverse (25342430325), we get a palindrome (548376673845).

The spelling of 523034243520 in words is "five hundred twenty-three billion, thirty-four million, two hundred forty-three thousand, five hundred twenty".