63123947 has 8 divisors (see below), whose sum is σ = 67036560. Its totient is φ = 59270400.

The previous prime is 63123943. The next prime is 63123989. The reversal of 63123947 is 74932136.

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

It is a cyclic number.

It is not a de Polignac number, because 63123947 - 2² = 63123943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63123943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12554 + ... + 16847.

It is an arithmetic number, because the mean of its divisors is an integer number (8379570).

Almost surely, 2^63123947 is an apocalyptic number.

63123947 is a deficient number, since it is larger than the sum of its proper divisors (3912613).

63123947 is a wasteful number, since it uses less digits than its factorization.

63123947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29533.

The product of its digits is 27216, while the sum is 35.

The square root of 63123947 is about 7945.0580237025. The cubic root of 63123947 is about 398.1664981014.

The spelling of 63123947 in words is "sixty-three million, one hundred twenty-three thousand, nine hundred forty-seven".