523303963 has 32 divisors (see below), whose sum is σ = 671670272. Its totient is φ = 396576000.

The previous prime is 523303903. The next prime is 523303967. The reversal of 523303963 is 369303325.

It is a cyclic number.

It is not a de Polignac number, because 523303963 - 2¹⁷ = 523172891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (523303967) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 289663 + ... + 291463.

It is an arithmetic number, because the mean of its divisors is an integer number (20989696).

Almost surely, 2^523303963 is an apocalyptic number.

523303963 is a deficient number, since it is larger than the sum of its proper divisors (148366309).

523303963 is a wasteful number, since it uses less digits than its factorization.

523303963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955.

The product of its (nonzero) digits is 43740, while the sum is 34.

The square root of 523303963 is about 22875.8379737224. The cubic root of 523303963 is about 805.8446764386.

The spelling of 523303963 in words is "five hundred twenty-three million, three hundred three thousand, nine hundred sixty-three".