63633023 has 4 divisors (see below), whose sum is σ = 67376160. Its totient is φ = 59889888.

The previous prime is 63633013. The next prime is 63633041. The reversal of 63633023 is 32033636.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63633023 - 2¹⁰ = 63631999 is a prime.

It is a super-2 number, since 2×63633023² = 8098323232237058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63632983 and 63633001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63633013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1871543 + ... + 1871576.

It is an arithmetic number, because the mean of its divisors is an integer number (16844040).

Almost surely, 2^63633023 is an apocalyptic number.

63633023 is a deficient number, since it is larger than the sum of its proper divisors (3743137).

63633023 is a wasteful number, since it uses less digits than its factorization.

63633023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3743136.

The product of its (nonzero) digits is 5832, while the sum is 26.

The square root of 63633023 is about 7977.0309639615. The cubic root of 63633023 is about 399.2339986244.

Adding to 63633023 its reverse (32033636), we get a palindrome (95666659).

The spelling of 63633023 in words is "sixty-three million, six hundred thirty-three thousand, twenty-three".