423316563 has 32 divisors (see below), whose sum is σ = 597196800. Its totient is φ = 266359200.

The previous prime is 423316559. The next prime is 423316573. The reversal of 423316563 is 365613324.

It is not a de Polignac number, because 423316563 - 2² = 423316559 is a prime.

It is a super-3 number, since 3×423316563³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (423316573) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 981958 + ... + 982388.

It is an arithmetic number, because the mean of its divisors is an integer number (18662400).

Almost surely, 2^423316563 is an apocalyptic number.

423316563 is a deficient number, since it is larger than the sum of its proper divisors (173880237).

423316563 is a wasteful number, since it uses less digits than its factorization.

423316563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703.

The product of its digits is 38880, while the sum is 33.

The square root of 423316563 is about 20574.6582717672. The cubic root of 423316563 is about 750.8532883860.

Adding to 423316563 its reverse (365613324), we get a palindrome (788929887).

The spelling of 423316563 in words is "four hundred twenty-three million, three hundred sixteen thousand, five hundred sixty-three".