63423601 has 2 divisors, whose sum is σ = 63423602. Its totient is φ = 63423600.

The previous prime is 63423599. The next prime is 63423629. The reversal of 63423601 is 10632436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63361600 + 62001 = 7960^2 + 249^2 .

It is a cyclic number.

It is not a de Polignac number, because 63423601 - 2¹ = 63423599 is a prime.

Together with 63423599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (63423631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31711800 + 31711801.

It is an arithmetic number, because the mean of its divisors is an integer number (31711801).

Almost surely, 2^63423601 is an apocalyptic number.

It is an amenable number.

63423601 is a deficient number, since it is larger than the sum of its proper divisors (1).

63423601 is an equidigital number, since it uses as much as digits as its factorization.

63423601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 63423601 is about 7963.8935829153. The cubic root of 63423601 is about 398.7955456143.

The spelling of 63423601 in words is "sixty-three million, four hundred twenty-three thousand, six hundred one".