523315303 has 8 divisors (see below), whose sum is σ = 599884160. Its totient is φ = 447198840.

The previous prime is 523315259. The next prime is 523315307. The reversal of 523315303 is 303513325.

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 523315303 - 2¹³ = 523307111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523315307) 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, 110613 + ... + 115246.

It is an arithmetic number, because the mean of its divisors is an integer number (74985520).

Almost surely, 2^523315303 is an apocalyptic number.

523315303 is a deficient number, since it is larger than the sum of its proper divisors (76568857).

523315303 is a wasteful number, since it uses less digits than its factorization.

523315303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226197.

The product of its (nonzero) digits is 4050, while the sum is 25.

The square root of 523315303 is about 22876.0858321523. The cubic root of 523315303 is about 805.8504972828.

Adding to 523315303 its reverse (303513325), we get a palindrome (826828628).

The spelling of 523315303 in words is "five hundred twenty-three million, three hundred fifteen thousand, three hundred three".