523013113 has 12 divisors (see below), whose sum is σ = 612440832. Its totient is φ = 445321800.

The previous prime is 523013107. The next prime is 523013131. The reversal of 523013113 is 311310325.

It is not a de Polignac number, because 523013113 - 2¹³ = 523004921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523013713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27945 + ... + 42742.

It is an arithmetic number, because the mean of its divisors is an integer number (51036736).

Almost surely, 2^523013113 is an apocalyptic number.

It is an amenable number.

523013113 is a deficient number, since it is larger than the sum of its proper divisors (89427719).

523013113 is a wasteful number, since it uses less digits than its factorization.

523013113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70852 (or 70845 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 523013113 is about 22869.4799459892. The cubic root of 523013113 is about 805.6953538163.

Adding to 523013113 its reverse (311310325), we get a palindrome (834323438).

The spelling of 523013113 in words is "five hundred twenty-three million, thirteen thousand, one hundred thirteen".