63423797 has 2 divisors, whose sum is σ = 63423798. Its totient is φ = 63423796.

The previous prime is 63423791. The next prime is 63423823. The reversal of 63423797 is 79732436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40056241 + 23367556 = 6329^2 + 4834^2 .

It is a cyclic number.

It is not a de Polignac number, because 63423797 - 2⁶ = 63423733 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63423791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31711898 + 31711899.

It is an arithmetic number, because the mean of its divisors is an integer number (31711899).

Almost surely, 2^63423797 is an apocalyptic number.

It is an amenable number.

63423797 is a deficient number, since it is larger than the sum of its proper divisors (1).

63423797 is an equidigital number, since it uses as much as digits as its factorization.

63423797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 41.

The square root of 63423797 is about 7963.9058884444. The cubic root of 63423797 is about 398.7959564175.

The spelling of 63423797 in words is "sixty-three million, four hundred twenty-three thousand, seven hundred ninety-seven".