63623167 has 2 divisors, whose sum is σ = 63623168. Its totient is φ = 63623166.

The previous prime is 63623137. The next prime is 63623179. The reversal of 63623167 is 76132636.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63623167 - 2¹¹ = 63621119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63623107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31811583 + 31811584.

It is an arithmetic number, because the mean of its divisors is an integer number (31811584).

Almost surely, 2^63623167 is an apocalyptic number.

63623167 is a deficient number, since it is larger than the sum of its proper divisors (1).

63623167 is an equidigital number, since it uses as much as digits as its factorization.

63623167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 34.

The square root of 63623167 is about 7976.4131663298. The cubic root of 63623167 is about 399.2133853575.

The spelling of 63623167 in words is "sixty-three million, six hundred twenty-three thousand, one hundred sixty-seven".