6523123 has 4 divisors (see below), whose sum is σ = 6529248. Its totient is φ = 6517000.

The previous prime is 6523117. The next prime is 6523133. The reversal of 6523123 is 3213256.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6523123 - 2⁵ = 6523091 is a prime.

It is a super-2 number, since 2×6523123² = 85102267346258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6523094 and 6523103.

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 3 ways as a sum of consecutive naturals, for example, 1003 + ... + 3748.

It is an arithmetic number, because the mean of its divisors is an integer number (1632312).

Almost surely, 2^6523123 is an apocalyptic number.

6523123 is a deficient number, since it is larger than the sum of its proper divisors (6125).

6523123 is a wasteful number, since it uses less digits than its factorization.

6523123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6124.

The product of its digits is 1080, while the sum is 22.

The square root of 6523123 is about 2554.0405243457. The cubic root of 6523123 is about 186.8465955717.

Adding to 6523123 its reverse (3213256), we get a palindrome (9736379).

The spelling of 6523123 in words is "six million, five hundred twenty-three thousand, one hundred twenty-three".