63204123 has 4 divisors (see below), whose sum is σ = 84272168. Its totient is φ = 42136080.

The previous prime is 63204091. The next prime is 63204149. The reversal of 63204123 is 32140236.

It is a happy number.

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

It is not a de Polignac number, because 63204123 - 2⁵ = 63204091 is a prime.

It is a super-2 number, since 2×63204123² = 7989522328398258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63204123.

It is not an unprimeable number, because it can be changed into a prime (63204173) 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, 10534018 + ... + 10534023.

It is an arithmetic number, because the mean of its divisors is an integer number (21068042).

Almost surely, 2^63204123 is an apocalyptic number.

63204123 is a deficient number, since it is larger than the sum of its proper divisors (21068045).

63204123 is a wasteful number, since it uses less digits than its factorization.

63204123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21068044.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 63204123 is about 7950.1020748164. The cubic root of 63204123 is about 398.3350019868.

Adding to 63204123 its reverse (32140236), we get a palindrome (95344359).

The spelling of 63204123 in words is "sixty-three million, two hundred four thousand, one hundred twenty-three".