6523143 has 16 divisors (see below), whose sum is σ = 9710976. Its totient is φ = 3860640.

The previous prime is 6523133. The next prime is 6523163. The reversal of 6523143 is 3413256.

It is a happy number.

It is not a de Polignac number, because 6523143 - 2⁶ = 6523079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6523103) 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, 880 + ... + 3717.

It is an arithmetic number, because the mean of its divisors is an integer number (606936).

Almost surely, 2^6523143 is an apocalyptic number.

6523143 is a deficient number, since it is larger than the sum of its proper divisors (3187833).

6523143 is a wasteful number, since it uses less digits than its factorization.

6523143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4654.

The product of its digits is 2160, while the sum is 24.

The square root of 6523143 is about 2554.0444397073. The cubic root of 6523143 is about 186.8467865297.

Adding to 6523143 its reverse (3413256), we get a palindrome (9936399).

It can be divided in two parts, 6523 and 143, that added together give a palindrome (6666).

The spelling of 6523143 in words is "six million, five hundred twenty-three thousand, one hundred forty-three".