1123701043 has 2 divisors, whose sum is σ = 1123701044. Its totient is φ = 1123701042.

The previous prime is 1123700999. The next prime is 1123701049. The reversal of 1123701043 is 3401073211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1123701043 - 2⁹ = 1123700531 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123701049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561850521 + 561850522.

It is an arithmetic number, because the mean of its divisors is an integer number (561850522).

Almost surely, 2^1123701043 is an apocalyptic number.

1123701043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123701043 is an equidigital number, since it uses as much as digits as its factorization.

1123701043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 1123701043 is about 33521.6503621167. The cubic root of 1123701043 is about 1039.6414700412.

Adding to 1123701043 its reverse (3401073211), we get a palindrome (4524774254).

The spelling of 1123701043 in words is "one billion, one hundred twenty-three million, seven hundred one thousand, forty-three".