63630523 has 8 divisors (see below), whose sum is σ = 70366896. Its totient is φ = 57052800.

The previous prime is 63630493. The next prime is 63630547. The reversal of 63630523 is 32503636.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63630523 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63630491 and 63630500.

It is not an unprimeable number, because it can be changed into a prime (63630023) 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, 38818 + ... + 40423.

It is an arithmetic number, because the mean of its divisors is an integer number (8795862).

Almost surely, 2^63630523 is an apocalyptic number.

63630523 is a deficient number, since it is larger than the sum of its proper divisors (6736373).

63630523 is a wasteful number, since it uses less digits than its factorization.

63630523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79325.

The product of its (nonzero) digits is 9720, while the sum is 28.

The square root of 63630523 is about 7976.8742625166. The cubic root of 63630523 is about 399.2287702172.

The spelling of 63630523 in words is "sixty-three million, six hundred thirty thousand, five hundred twenty-three".