1123886123 has 2 divisors, whose sum is σ = 1123886124. Its totient is φ = 1123886122.

The previous prime is 1123886117. The next prime is 1123886209. The reversal of 1123886123 is 3216883211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123886123 - 2²⁸ = 855450667 is a prime.

It is a super-2 number, since 2×1123886123² = 2526240034943942258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1123886623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561943061 + 561943062.

It is an arithmetic number, because the mean of its divisors is an integer number (561943062).

Almost surely, 2^1123886123 is an apocalyptic number.

1123886123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123886123 is an equidigital number, since it uses as much as digits as its factorization.

1123886123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 35.

The square root of 1123886123 is about 33524.4108523923. The cubic root of 1123886123 is about 1039.6985452100.

The spelling of 1123886123 in words is "one billion, one hundred twenty-three million, eight hundred eighty-six thousand, one hundred twenty-three".