63253623 has 4 divisors (see below), whose sum is σ = 84338168. Its totient is φ = 42169080.

The previous prime is 63253621. The next prime is 63253691. The reversal of 63253623 is 32635236.

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

It is not a de Polignac number, because 63253623 - 2¹ = 63253621 is a prime.

It is a super-2 number, since 2×63253623² = 8002041645252258, 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 (63253621) 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, 10542268 + ... + 10542273.

It is an arithmetic number, because the mean of its divisors is an integer number (21084542).

Almost surely, 2^63253623 is an apocalyptic number.

63253623 is a deficient number, since it is larger than the sum of its proper divisors (21084545).

63253623 is a wasteful number, since it uses less digits than its factorization.

63253623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21084544.

The product of its digits is 19440, while the sum is 30.

The square root of 63253623 is about 7953.2146330902. The cubic root of 63253623 is about 398.4389637563.

Adding to 63253623 its reverse (32635236), we get a palindrome (95888859).

The spelling of 63253623 in words is "sixty-three million, two hundred fifty-three thousand, six hundred twenty-three".