1163423 has 2 divisors, whose sum is σ = 1163424. Its totient is φ = 1163422.

The previous prime is 1163417. The next prime is 1163431. The reversal of 1163423 is 3243611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1163423 - 2⁸ = 1163167 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1163395 and 1163404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1163473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581711 + 581712.

It is an arithmetic number, because the mean of its divisors is an integer number (581712).

2^1163423 is an apocalyptic number.

1163423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163423 is an equidigital number, since it uses as much as digits as its factorization.

1163423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 20.

The square root of 1163423 is about 1078.6208787150. The cubic root of 1163423 is about 105.1750067128.

The spelling of 1163423 in words is "one million, one hundred sixty-three thousand, four hundred twenty-three".