63450623 has 4 divisors (see below), whose sum is σ = 63508248. Its totient is φ = 63393000.

The previous prime is 63450619. The next prime is 63450649. The reversal of 63450623 is 32605436.

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

It is a cyclic number.

It is not a de Polignac number, because 63450623 - 2² = 63450619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63450683) 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 3 ways as a sum of consecutive naturals, for example, 27128 + ... + 29373.

It is an arithmetic number, because the mean of its divisors is an integer number (15877062).

Almost surely, 2^63450623 is an apocalyptic number.

63450623 is a deficient number, since it is larger than the sum of its proper divisors (57625).

63450623 is a wasteful number, since it uses less digits than its factorization.

63450623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57624.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 63450623 is about 7965.5899342108. The cubic root of 63450623 is about 398.8521739724.

The spelling of 63450623 in words is "sixty-three million, four hundred fifty thousand, six hundred twenty-three".