63423623 has 6 divisors (see below), whose sum is σ = 64002744. Its totient is φ = 62849696.

The previous prime is 63423601. The next prime is 63423629. The reversal of 63423623 is 32632436.

It is not a de Polignac number, because 63423623 - 2²⁴ = 46646407 is a prime.

It is a super-2 number, since 2×63423623² = 8045111908892258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63423629) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10286 + ... + 15252.

It is an arithmetic number, because the mean of its divisors is an integer number (10667124).

Almost surely, 2^63423623 is an apocalyptic number.

63423623 is a deficient number, since it is larger than the sum of its proper divisors (579121).

63423623 is an equidigital number, since it uses as much as digits as its factorization.

63423623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5193 (or 5080 counting only the distinct ones).

The product of its digits is 15552, while the sum is 29.

The square root of 63423623 is about 7963.8949641491. The cubic root of 63423623 is about 398.7955917249.

It can be divided in two parts, 63423 and 623, that added together give a palindrome (64046).

The spelling of 63423623 in words is "sixty-three million, four hundred twenty-three thousand, six hundred twenty-three".