63940323 has 8 divisors (see below), whose sum is σ = 85373008. Its totient is φ = 42567264.

The previous prime is 63940307. The next prime is 63940333. The reversal of 63940323 is 32304936.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63940323 - 2⁴ = 63940307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63940333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12340 + ... + 16737.

It is an arithmetic number, because the mean of its divisors is an integer number (10671626).

Almost surely, 2^63940323 is an apocalyptic number.

63940323 is a deficient number, since it is larger than the sum of its proper divisors (21432685).

63940323 is a wasteful number, since it uses less digits than its factorization.

63940323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29813.

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 63940323 is about 7996.2693176256. The cubic root of 63940323 is about 399.8756342536.

The spelling of 63940323 in words is "sixty-three million, nine hundred forty thousand, three hundred twenty-three".