523454 has 8 divisors (see below), whose sum is σ = 795360. Its totient is φ = 258336.

The previous prime is 523433. The next prime is 523459. The reversal of 523454 is 454325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523459) by changing a digit.

523454 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1499 + ... + 1814.

It is an arithmetic number, because the mean of its divisors is an integer number (99420).

2⁵²³⁴⁵⁴ is an apocalyptic number.

523454 is a deficient number, since it is larger than the sum of its proper divisors (271906).

523454 is a wasteful number, since it uses less digits than its factorization.

523454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3394.

The product of its digits is 2400, while the sum is 23.

The square root of 523454 is about 723.5012093977. The cubic root of 523454 is about 80.5921683922.

Adding to 523454 its reverse (454325), we get a palindrome (977779).

The spelling of 523454 in words is "five hundred twenty-three thousand, four hundred fifty-four".