523250454152320 has 128 divisors (see below), whose sum is σ = 1260776652595200. Its totient is φ = 207646966517760.

The previous prime is 523250454152269. The next prime is 523250454152359. The reversal of 523250454152320 is 23251454052325.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×523250454152320² (a number of 30 digits) contains 22 as substring.

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, 6211456761 + ... + 6211540999.

It is an arithmetic number, because the mean of its divisors is an integer number (9849817598400).

Almost surely, 2^{523250454152320} 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 523250454152320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630388326297600).

523250454152320 is an abundant number, since it is smaller than the sum of its proper divisors (737526198442880).

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

523250454152320 is a wasteful number, since it uses less digits than its factorization.

523250454152320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160806 (or 160794 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 43.

The spelling of 523250454152320 in words is "five hundred twenty-three trillion, two hundred fifty billion, four hundred fifty-four million, one hundred fifty-two thousand, three hundred twenty".