1123340377 has 2 divisors, whose sum is σ = 1123340378. Its totient is φ = 1123340376.

The previous prime is 1123340371. The next prime is 1123340389. The reversal of 1123340377 is 7730433211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1107824656 + 15515721 = 33284^2 + 3939^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123340377 - 2¹⁹ = 1122816089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123340371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561670188 + 561670189.

It is an arithmetic number, because the mean of its divisors is an integer number (561670189).

Almost surely, 2^1123340377 is an apocalyptic number.

It is an amenable number.

1123340377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123340377 is an equidigital number, since it uses as much as digits as its factorization.

1123340377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 1123340377 is about 33516.2703324818. The cubic root of 1123340377 is about 1039.5302294651.

Adding to 1123340377 its reverse (7730433211), we get a palindrome (8853773588).

The spelling of 1123340377 in words is "one billion, one hundred twenty-three million, three hundred forty thousand, three hundred seventy-seven".