1123456193 has 2 divisors, whose sum is σ = 1123456194. Its totient is φ = 1123456192.

The previous prime is 1123456153. The next prime is 1123456199. The reversal of 1123456193 is 3916543211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1027651249 + 95804944 = 32057^2 + 9788^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123456193 - 2¹⁶ = 1123390657 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123456199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561728096 + 561728097.

It is an arithmetic number, because the mean of its divisors is an integer number (561728097).

Almost surely, 2^1123456193 is an apocalyptic number.

It is an amenable number.

1123456193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123456193 is an equidigital number, since it uses as much as digits as its factorization.

1123456193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 35.

The square root of 1123456193 is about 33517.9980458261. The cubic root of 1123456193 is about 1039.5659533052.

The spelling of 1123456193 in words is "one billion, one hundred twenty-three million, four hundred fifty-six thousand, one hundred ninety-three".