1123220353 has 2 divisors, whose sum is σ = 1123220354. Its totient is φ = 1123220352.

The previous prime is 1123220291. The next prime is 1123220363. The reversal of 1123220353 is 3530223211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1096470769 + 26749584 = 33113^2 + 5172^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123220353 is a prime.

It is a super-2 number, since 2×1123220353² = 2523247922786889218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1123220363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561610176 + 561610177.

It is an arithmetic number, because the mean of its divisors is an integer number (561610177).

Almost surely, 2^1123220353 is an apocalyptic number.

It is an amenable number.

1123220353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123220353 is an equidigital number, since it uses as much as digits as its factorization.

1123220353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1123220353 is about 33514.4797512956. The cubic root of 1123220353 is about 1039.4932050622.

Adding to 1123220353 its reverse (3530223211), we get a palindrome (4653443564).

The spelling of 1123220353 in words is "one billion, one hundred twenty-three million, two hundred twenty thousand, three hundred fifty-three".