523921963 has 8 divisors (see below), whose sum is σ = 560128608. Its totient is φ = 488313984.

The previous prime is 523921943. The next prime is 523921973. The reversal of 523921963 is 369129325.

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

It is a de Polignac number, because none of the positive numbers 2^k-523921963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523921913) 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 7 ways as a sum of consecutive naturals, for example, 147856 + ... + 151357.

It is an arithmetic number, because the mean of its divisors is an integer number (70016076).

Almost surely, 2^523921963 is an apocalyptic number.

523921963 is a deficient number, since it is larger than the sum of its proper divisors (36206645).

523921963 is a wasteful number, since it uses less digits than its factorization.

523921963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299333.

The product of its digits is 87480, while the sum is 40.

The square root of 523921963 is about 22889.3416899657. The cubic root of 523921963 is about 806.1617745498.

The spelling of 523921963 in words is "five hundred twenty-three million, nine hundred twenty-one thousand, nine hundred sixty-three".