10406523 has 8 divisors (see below), whose sum is σ = 13953600. Its totient is φ = 6898568.

The previous prime is 10406521. The next prime is 10406527. The reversal of 10406523 is 32560401.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10406523 - 2¹ = 10406521 is a prime.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 10406523.

It is not an unprimeable number, because it can be changed into a prime (10406521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9153 + ... + 10226.

It is an arithmetic number, because the mean of its divisors is an integer number (1744200).

Almost surely, 2^10406523 is an apocalyptic number.

10406523 is a deficient number, since it is larger than the sum of its proper divisors (3547077).

10406523 is a wasteful number, since it uses less digits than its factorization.

10406523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19561.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 10406523 is about 3225.9142890040. The cubic root of 10406523 is about 218.3242026884.

Adding to 10406523 its reverse (32560401), we get a palindrome (42966924).

The spelling of 10406523 in words is "ten million, four hundred six thousand, five hundred twenty-three".