1123013963 has 2 divisors, whose sum is σ = 1123013964. Its totient is φ = 1123013962.

The previous prime is 1123013933. The next prime is 1123013989. The reversal of 1123013963 is 3693103211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1123013963 - 2⁸ = 1123013707 is a prime.

It is a super-2 number, since 2×1123013963² = 2522320722185930738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1123013933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561506981 + 561506982.

It is an arithmetic number, because the mean of its divisors is an integer number (561506982).

Almost surely, 2^1123013963 is an apocalyptic number.

1123013963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123013963 is an equidigital number, since it uses as much as digits as its factorization.

1123013963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 1123013963 is about 33511.4004929666. The cubic root of 1123013963 is about 1039.4295327401.

The spelling of 1123013963 in words is "one billion, one hundred twenty-three million, thirteen thousand, nine hundred sixty-three".