63553023 has 24 divisors (see below), whose sum is σ = 93689856. Its totient is φ = 41504400.

The previous prime is 63553001. The next prime is 63553037. The reversal of 63553023 is 32035536.

63553023 is a `hidden beast` number, since 6 + 355 + 302 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-63553023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63553073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172986 + ... + 173352.

It is an arithmetic number, because the mean of its divisors is an integer number (3903744).

Almost surely, 2^63553023 is an apocalyptic number.

63553023 is a deficient number, since it is larger than the sum of its proper divisors (30136833).

63553023 is a wasteful number, since it uses less digits than its factorization.

63553023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 63553023 is about 7972.0149899508. The cubic root of 63553023 is about 399.0666216228.

Adding to 63553023 its reverse (32035536), we get a palindrome (95588559).

The spelling of 63553023 in words is "sixty-three million, five hundred fifty-three thousand, twenty-three".