223632463 has 4 divisors (see below), whose sum is σ = 226782288. Its totient is φ = 220482640.

The previous prime is 223632449. The next prime is 223632499. The reversal of 223632463 is 364236322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223632463 is a prime.

It is a super-2 number, since 2×223632463² = 100022957014892738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223632443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1574806 + ... + 1574947.

It is an arithmetic number, because the mean of its divisors is an integer number (56695572).

Almost surely, 2^223632463 is an apocalyptic number.

223632463 is a deficient number, since it is larger than the sum of its proper divisors (3149825).

223632463 is an equidigital number, since it uses as much as digits as its factorization.

223632463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149824.

The product of its digits is 31104, while the sum is 31.

The square root of 223632463 is about 14954.3459569451. The cubic root of 223632463 is about 606.9854521834.

Adding to 223632463 its reverse (364236322), we get a palindrome (587868785).

The spelling of 223632463 in words is "two hundred twenty-three million, six hundred thirty-two thousand, four hundred sixty-three".