1123123933 has 2 divisors, whose sum is σ = 1123123934. Its totient is φ = 1123123932.

The previous prime is 1123123889. The next prime is 1123123943. The reversal of 1123123933 is 3393213211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1062564409 + 60559524 = 32597^2 + 7782^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123123933 - 2²⁹ = 586253021 is a prime.

It is a super-2 number, since 2×1123123933² = 2522814737754776978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123123943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561561966 + 561561967.

It is an arithmetic number, because the mean of its divisors is an integer number (561561967).

Almost surely, 2^1123123933 is an apocalyptic number.

It is an amenable number.

1123123933 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123123933 is an equidigital number, since it uses as much as digits as its factorization.

1123123933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 28.

The square root of 1123123933 is about 33513.0412377033. The cubic root of 1123123933 is about 1039.4634599926.

The spelling of 1123123933 in words is "one billion, one hundred twenty-three million, one hundred twenty-three thousand, nine hundred thirty-three".