5231523 has 16 divisors (see below), whose sum is σ = 7773696. Its totient is φ = 3102240.

The previous prime is 5231521. The next prime is 5231531. The reversal of 5231523 is 3251325.

It is not a de Polignac number, because 5231523 - 2¹ = 5231521 is a prime.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 5231523.

It is not an unprimeable number, because it can be changed into a prime (5231521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136 + ... + 3237.

It is an arithmetic number, because the mean of its divisors is an integer number (485856).

Almost surely, 2^5231523 is an apocalyptic number.

5231523 is a deficient number, since it is larger than the sum of its proper divisors (2542173).

5231523 is a wasteful number, since it uses less digits than its factorization.

5231523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434.

The product of its digits is 900, while the sum is 21.

The square root of 5231523 is about 2287.2522816690. The cubic root of 5231523 is about 173.5971987875.

Adding to 5231523 its reverse (3251325), we get a palindrome (8482848).

The spelling of 5231523 in words is "five million, two hundred thirty-one thousand, five hundred twenty-three".