63775423 has 4 divisors (see below), whose sum is σ = 64056600. Its totient is φ = 63494248.

The previous prime is 63775417. The next prime is 63775429. The reversal of 63775423 is 32457736.

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

It is an interprime number because it is at equal distance from previous prime (63775417) and next prime (63775429).

It is a cyclic number.

It is not a de Polignac number, because 63775423 - 2⁵ = 63775391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63775429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140248 + ... + 140701.

It is an arithmetic number, because the mean of its divisors is an integer number (16014150).

Almost surely, 2^63775423 is an apocalyptic number.

63775423 is a deficient number, since it is larger than the sum of its proper divisors (281177).

63775423 is a wasteful number, since it uses less digits than its factorization.

63775423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281176.

The product of its digits is 105840, while the sum is 37.

The square root of 63775423 is about 7985.9516026583. The cubic root of 63775423 is about 399.5315829277.

The spelling of 63775423 in words is "sixty-three million, seven hundred seventy-five thousand, four hundred twenty-three".