1123434911 has 2 divisors, whose sum is σ = 1123434912. Its totient is φ = 1123434910.

The previous prime is 1123434889. The next prime is 1123434929. The reversal of 1123434911 is 1194343211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1123434911 - 2⁶ = 1123434847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123434971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561717455 + 561717456.

It is an arithmetic number, because the mean of its divisors is an integer number (561717456).

Almost surely, 2^1123434911 is an apocalyptic number.

1123434911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123434911 is an equidigital number, since it uses as much as digits as its factorization.

1123434911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

The square root of 1123434911 is about 33517.6805730946. The cubic root of 1123434911 is about 1039.5593889838.

The spelling of 1123434911 in words is "one billion, one hundred twenty-three million, four hundred thirty-four thousand, nine hundred eleven".