523130015320 has 32 divisors (see below), whose sum is σ = 1284046402320. Its totient is φ = 190229096320.

The previous prime is 523130015293. The next prime is 523130015329. The reversal of 523130015320 is 23510031325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523130015329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 594465487 + ... + 594466366.

Almost surely, 2^523130015320 is an apocalyptic number.

It is an amenable number.

523130015320 is an abundant number, since it is smaller than the sum of its proper divisors (760916387000).

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

523130015320 is a wasteful number, since it uses less digits than its factorization.

523130015320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188931875 (or 1188931871 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 523130015320 its reverse (23510031325), we get a palindrome (546640046645).

The spelling of 523130015320 in words is "five hundred twenty-three billion, one hundred thirty million, fifteen thousand, three hundred twenty".