63417623 has 2 divisors, whose sum is σ = 63417624. Its totient is φ = 63417622.

The previous prime is 63417619. The next prime is 63417631. The reversal of 63417623 is 32671436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63417623 - 2² = 63417619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63417623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63410623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31708811 + 31708812.

It is an arithmetic number, because the mean of its divisors is an integer number (31708812).

Almost surely, 2^63417623 is an apocalyptic number.

63417623 is a deficient number, since it is larger than the sum of its proper divisors (1).

63417623 is an equidigital number, since it uses as much as digits as its factorization.

63417623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 32.

The square root of 63417623 is about 7963.5182551433. The cubic root of 63417623 is about 398.7830157115.

The spelling of 63417623 in words is "sixty-three million, four hundred seventeen thousand, six hundred twenty-three".