1223063231 has 24 divisors (see below), whose sum is σ = 1425347280. Its totient is φ = 1040366592.

The previous prime is 1223063207. The next prime is 1223063239. The reversal of 1223063231 is 1323603221.

It is not a de Polignac number, because 1223063231 - 2¹⁸ = 1222801087 is a prime.

It is a super-2 number, since 2×1223063231² = 2991767334048318722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1223063197 and 1223063206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223063239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 336335 + ... + 339951.

It is an arithmetic number, because the mean of its divisors is an integer number (59389470).

Almost surely, 2^1223063231 is an apocalyptic number.

1223063231 is a deficient number, since it is larger than the sum of its proper divisors (202284049).

1223063231 is a wasteful number, since it uses less digits than its factorization.

1223063231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3723 (or 3686 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1223063231 is about 34972.3209266986. The cubic root of 1223063231 is about 1069.4232869107.

Adding to 1223063231 its reverse (1323603221), we get a palindrome (2546666452).

The spelling of 1223063231 in words is "one billion, two hundred twenty-three million, sixty-three thousand, two hundred thirty-one".