63423430 has 64 divisors (see below), whose sum is σ = 139345920. Its totient is φ = 20289024.

The previous prime is 63423403. The next prime is 63423449. The reversal of 63423430 is 3432436.

It is a junction number, because it is equal to n+sod(n) for n = 63423395 and 63423404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 265251 + ... + 265489.

It is an arithmetic number, because the mean of its divisors is an integer number (2177280).

Almost surely, 2^63423430 is an apocalyptic number.

63423430 is an abundant number, since it is smaller than the sum of its proper divisors (75922490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63423430 is a wasteful number, since it uses less digits than its factorization.

63423430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 63423430 is about 7963.8828469535. The cubic root of 63423430 is about 398.7951872088.

Adding to 63423430 its reverse (3432436), we get a palindrome (66855866).

The spelling of 63423430 in words is "sixty-three million, four hundred twenty-three thousand, four hundred thirty".