63423497 has 2 divisors, whose sum is σ = 63423498. Its totient is φ = 63423496.

The previous prime is 63423487. The next prime is 63423509. The reversal of 63423497 is 79432436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61795321 + 1628176 = 7861^2 + 1276^2 .

It is a cyclic number.

It is not a de Polignac number, because 63423497 - 2¹⁶ = 63357961 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63423497.

It is not a weakly prime, because it can be changed into another prime (63423487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31711748 + 31711749.

It is an arithmetic number, because the mean of its divisors is an integer number (31711749).

Almost surely, 2^63423497 is an apocalyptic number.

It is an amenable number.

63423497 is a deficient number, since it is larger than the sum of its proper divisors (1).

63423497 is an equidigital number, since it uses as much as digits as its factorization.

63423497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 38.

The square root of 63423497 is about 7963.8870534432. The cubic root of 63423497 is about 398.7953276368.

The spelling of 63423497 in words is "sixty-three million, four hundred twenty-three thousand, four hundred ninety-seven".