1223105353 has 4 divisors (see below), whose sum is σ = 1227280068. Its totient is φ = 1218930640.

The previous prime is 1223105281. The next prime is 1223105357. The reversal of 1223105353 is 3535013221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1183566409 + 39538944 = 34403^2 + 6288^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223105353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223105357) 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, 2086918 + ... + 2087503.

It is an arithmetic number, because the mean of its divisors is an integer number (306820017).

Almost surely, 2^1223105353 is an apocalyptic number.

It is an amenable number.

1223105353 is a deficient number, since it is larger than the sum of its proper divisors (4174715).

1223105353 is an equidigital number, since it uses as much as digits as its factorization.

1223105353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4174714.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1223105353 is about 34972.9231406241. The cubic root of 1223105353 is about 1069.4355636624.

Adding to 1223105353 its reverse (3535013221), we get a palindrome (4758118574).

The spelling of 1223105353 in words is "one billion, two hundred twenty-three million, one hundred five thousand, three hundred fifty-three".