1223452263 has 8 divisors (see below), whose sum is σ = 1779566976. Its totient is φ = 741486200.

The previous prime is 1223452247. The next prime is 1223452267. The reversal of 1223452263 is 3622543221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1223452263 - 2⁴ = 1223452247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1223452263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223452267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18537123 + ... + 18537188.

It is an arithmetic number, because the mean of its divisors is an integer number (222445872).

Almost surely, 2^1223452263 is an apocalyptic number.

1223452263 is a deficient number, since it is larger than the sum of its proper divisors (556114713).

1223452263 is a wasteful number, since it uses less digits than its factorization.

1223452263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37074325.

The product of its digits is 17280, while the sum is 30.

The square root of 1223452263 is about 34977.8824830778. The cubic root of 1223452263 is about 1069.5366622910.

Adding to 1223452263 its reverse (3622543221), we get a palindrome (4845995484).

The spelling of 1223452263 in words is "one billion, two hundred twenty-three million, four hundred fifty-two thousand, two hundred sixty-three".