523889335204 has 9 divisors (see below), whose sum is σ = 916808869921. Its totient is φ = 261943943800.

The previous prime is 523889335199. The next prime is 523889335217. The reversal of 523889335204 is 402533988325.

It is a happy number.

The square root of 523889335204 is 723802.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 55978613604 + 467910721600 = 236598^2 + 684040^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1266654 + ... + 1628554.

Almost surely, 2^523889335204 is an apocalyptic number.

523889335204 is the 723802-nd square number.

It is an amenable number.

523889335204 is a deficient number, since it is larger than the sum of its proper divisors (392919534717).

523889335204 is an frugal number, since it uses more digits than its factorization.

523889335204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723806 (or 361903 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 52.

The spelling of 523889335204 in words is "five hundred twenty-three billion, eight hundred eighty-nine million, three hundred thirty-five thousand, two hundred four".