1123230371 has 2 divisors, whose sum is σ = 1123230372. Its totient is φ = 1123230370.

The previous prime is 1123230343. The next prime is 1123230397. The reversal of 1123230371 is 1730323211.

It is a strong prime.

It is an emirp because it is prime and its reverse (1730323211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123230371 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1123230331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561615185 + 561615186.

It is an arithmetic number, because the mean of its divisors is an integer number (561615186).

Almost surely, 2^1123230371 is an apocalyptic number.

1123230371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123230371 is an equidigital number, since it uses as much as digits as its factorization.

1123230371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 1123230371 is about 33514.6292087500. The cubic root of 1123230371 is about 1039.4962954656.

Adding to 1123230371 its reverse (1730323211), we get a palindrome (2853553582).

The spelling of 1123230371 in words is "one billion, one hundred twenty-three million, two hundred thirty thousand, three hundred seventy-one".