1066454423 has 2 divisors, whose sum is σ = 1066454424. Its totient is φ = 1066454422.

The previous prime is 1066454383. The next prime is 1066454429. The reversal of 1066454423 is 3244546601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1066454423 - 2¹² = 1066450327 is a prime.

It is a super-2 number, since 2×1066454423² = 2274650072672525858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066454429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533227211 + 533227212.

It is an arithmetic number, because the mean of its divisors is an integer number (533227212).

Almost surely, 2^1066454423 is an apocalyptic number.

1066454423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066454423 is an equidigital number, since it uses as much as digits as its factorization.

1066454423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 1066454423 is about 32656.6137711796. The cubic root of 1066454423 is about 1021.6781368945.

The spelling of 1066454423 in words is "one billion, sixty-six million, four hundred fifty-four thousand, four hundred twenty-three".