523603347140 has 24 divisors (see below), whose sum is σ = 1099637403480. Its totient is φ = 209427934208.

The previous prime is 523603347103. The next prime is 523603347191. The reversal of 523603347140 is 41743306325.

It can be written as a sum of positive squares in 4 ways, for example, as 54808428544 + 468794918596 = 234112^2 + 684686^2 .

It is a super-2 number, since 2×523603347140² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 523603347094 and 523603347103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514445 + ... + 1145364.

It is an arithmetic number, because the mean of its divisors is an integer number (45818225145).

Almost surely, 2^523603347140 is an apocalyptic number.

It is an amenable number.

523603347140 is an abundant number, since it is smaller than the sum of its proper divisors (576034056340).

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

523603347140 is a wasteful number, since it uses less digits than its factorization.

523603347140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675591 (or 1675589 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 38.

The spelling of 523603347140 in words is "five hundred twenty-three billion, six hundred three million, three hundred forty-seven thousand, one hundred forty".