523300551240 has 64 divisors (see below), whose sum is σ = 1638158256000. Its totient is φ = 133479560192.

The previous prime is 523300551227. The next prime is 523300551287. The reversal of 523300551240 is 42155003325.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 523300551198 and 523300551207.

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, 94798065 + ... + 94803584.

It is an arithmetic number, because the mean of its divisors is an integer number (25596222750).

Almost surely, 2^523300551240 is an apocalyptic number.

It is an amenable number.

523300551240 is an abundant number, since it is smaller than the sum of its proper divisors (1114857704760).

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

523300551240 is a wasteful number, since it uses less digits than its factorization.

523300551240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189601686 (or 189601682 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 523300551240 its reverse (42155003325), we get a palindrome (565455554565).

The spelling of 523300551240 in words is "five hundred twenty-three billion, three hundred million, five hundred fifty-one thousand, two hundred forty".