523123306 has 16 divisors (see below), whose sum is σ = 797702400. Its totient is φ = 257248368.

The previous prime is 523123297. The next prime is 523123379. The reversal of 523123306 is 603321325.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35260 + ... + 47848.

It is an arithmetic number, because the mean of its divisors is an integer number (49856400).

Almost surely, 2^523123306 is an apocalyptic number.

523123306 is a deficient number, since it is larger than the sum of its proper divisors (274579094).

523123306 is a wasteful number, since it uses less digits than its factorization.

523123306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12933.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 523123306 is about 22871.8889906365. Note that the first 3 decimals coincide. The cubic root of 523123306 is about 805.7519335027.

The spelling of 523123306 in words is "five hundred twenty-three million, one hundred twenty-three thousand, three hundred six".