63323997 has 16 divisors (see below), whose sum is σ = 97526592. Its totient is φ = 36120320.

The previous prime is 63323987. The next prime is 63323999. The reversal of 63323997 is 79932336.

It is a cyclic number.

It is not a de Polignac number, because 63323997 - 2¹² = 63319901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63323999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55878 + ... + 56999.

It is an arithmetic number, because the mean of its divisors is an integer number (6095412).

Almost surely, 2^63323997 is an apocalyptic number.

It is an amenable number.

63323997 is a deficient number, since it is larger than the sum of its proper divisors (34202595).

63323997 is a wasteful number, since it uses less digits than its factorization.

63323997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112908.

The product of its digits is 183708, while the sum is 42.

The square root of 63323997 is about 7957.6376519668. The cubic root of 63323997 is about 398.5866725620.

It can be divided in two parts, 633239 and 97, that added together give a palindrome (633336).

The spelling of 63323997 in words is "sixty-three million, three hundred twenty-three thousand, nine hundred ninety-seven".