63240223 has 2 divisors, whose sum is σ = 63240224. Its totient is φ = 63240222.

The previous prime is 63240173. The next prime is 63240257. The reversal of 63240223 is 32204236.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63240223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63240194 and 63240203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63240263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31620111 + 31620112.

It is an arithmetic number, because the mean of its divisors is an integer number (31620112).

Almost surely, 2^63240223 is an apocalyptic number.

63240223 is a deficient number, since it is larger than the sum of its proper divisors (1).

63240223 is an equidigital number, since it uses as much as digits as its factorization.

63240223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 63240223 is about 7952.3721618144. The cubic root of 63240223 is about 398.4108259257.

Adding to 63240223 its reverse (32204236), we get a palindrome (95444459).

The spelling of 63240223 in words is "sixty-three million, two hundred forty thousand, two hundred twenty-three".