63423847 has 2 divisors, whose sum is σ = 63423848. Its totient is φ = 63423846.

The previous prime is 63423823. The next prime is 63423851. The reversal of 63423847 is 74832436.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63423847 - 2¹⁹ = 62899559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63423047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31711923 + 31711924.

It is an arithmetic number, because the mean of its divisors is an integer number (31711924).

Almost surely, 2^63423847 is an apocalyptic number.

63423847 is a deficient number, since it is larger than the sum of its proper divisors (1).

63423847 is an equidigital number, since it uses as much as digits as its factorization.

63423847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 37.

The square root of 63423847 is about 7963.9090276070. The cubic root of 63423847 is about 398.7960612141.

The spelling of 63423847 in words is "sixty-three million, four hundred twenty-three thousand, eight hundred forty-seven".