63955023 has 16 divisors (see below), whose sum is σ = 94553472. Its totient is φ = 38124000.

The previous prime is 63955009. The next prime is 63955027. The reversal of 63955023 is 32055936.

It is not a de Polignac number, because 63955023 - 2⁶ = 63954959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63955027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13873 + ... + 17898.

It is an arithmetic number, because the mean of its divisors is an integer number (5909592).

Almost surely, 2^63955023 is an apocalyptic number.

63955023 is a deficient number, since it is larger than the sum of its proper divisors (30598449).

63955023 is a wasteful number, since it uses less digits than its factorization.

63955023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31846.

The product of its (nonzero) digits is 24300, while the sum is 33.

The square root of 63955023 is about 7997.1884434469. The cubic root of 63955023 is about 399.9062759579.

The spelling of 63955023 in words is "sixty-three million, nine hundred fifty-five thousand, twenty-three".