523101140 has 24 divisors (see below), whose sum is σ = 1099456512. Its totient is φ = 209060640.

The previous prime is 523101127. The next prime is 523101143. The reversal of 523101140 is 41101325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523101143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13997 + ... + 35243.

It is an arithmetic number, because the mean of its divisors is an integer number (45810688).

Almost surely, 2^523101140 is an apocalyptic number.

It is an amenable number.

523101140 is an abundant number, since it is smaller than the sum of its proper divisors (576355372).

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

523101140 is a wasteful number, since it uses less digits than its factorization.

523101140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22487 (or 22485 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 523101140 is about 22871.4044168696. The cubic root of 523101140 is about 805.7405527890.

Adding to 523101140 its reverse (41101325), we get a palindrome (564202465).

The spelling of 523101140 in words is "five hundred twenty-three million, one hundred one thousand, one hundred forty".