63406323 has 12 divisors (see below), whose sum is σ = 91693368. Its totient is φ = 42221760.

The previous prime is 63406309. The next prime is 63406327. The reversal of 63406323 is 32360436.

63406323 is a `hidden beast` number, since 634 + 0 + 6 + 3 + 23 = 666.

It is not a de Polignac number, because 63406323 - 2⁴ = 63406307 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (63406327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5188 + ... + 12398.

It is an arithmetic number, because the mean of its divisors is an integer number (7641114).

Almost surely, 2^63406323 is an apocalyptic number.

63406323 is a deficient number, since it is larger than the sum of its proper divisors (28287045).

63406323 is a wasteful number, since it uses less digits than its factorization.

63406323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8194 (or 8191 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

The square root of 63406323 is about 7962.8087381275. The cubic root of 63406323 is about 398.7593287323.

Adding to 63406323 its reverse (32360436), we get a palindrome (95766759).

The spelling of 63406323 in words is "sixty-three million, four hundred six thousand, three hundred twenty-three".