523103140 has 48 divisors (see below), whose sum is σ = 1256758272. Its totient is φ = 179162496.

The previous prime is 523103111. The next prime is 523103159. The reversal of 523103140 is 41301325.

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, 235917 + ... + 238123.

It is an arithmetic number, because the mean of its divisors is an integer number (26182464).

Almost surely, 2^523103140 is an apocalyptic number.

It is an amenable number.

523103140 is an abundant number, since it is smaller than the sum of its proper divisors (733655132).

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

523103140 is a wasteful number, since it uses less digits than its factorization.

523103140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3916 (or 3914 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 523103140 is about 22871.4481395473. The cubic root of 523103140 is about 805.7415796644.

Adding to 523103140 its reverse (41301325), we get a palindrome (564404465).

The spelling of 523103140 in words is "five hundred twenty-three million, one hundred three thousand, one hundred forty".