1166344423 has 2 divisors, whose sum is σ = 1166344424. Its totient is φ = 1166344422.

The previous prime is 1166344379. The next prime is 1166344453. The reversal of 1166344423 is 3244436611.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1166344423 is a prime.

It is a super-3 number, since 3×1166344423³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1166344453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583172211 + 583172212.

It is an arithmetic number, because the mean of its divisors is an integer number (583172212).

Almost surely, 2^1166344423 is an apocalyptic number.

1166344423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166344423 is an equidigital number, since it uses as much as digits as its factorization.

1166344423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 34.

The square root of 1166344423 is about 34151.7850631559. The cubic root of 1166344423 is about 1052.6296665473.

The spelling of 1166344423 in words is "one billion, one hundred sixty-six million, three hundred forty-four thousand, four hundred twenty-three".