1466443423 has 4 divisors (see below), whose sum is σ = 1467743440. Its totient is φ = 1465143408.

The previous prime is 1466443411. The next prime is 1466443439. The reversal of 1466443423 is 3243446641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1466443423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1466443403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648315 + ... + 650572.

It is an arithmetic number, because the mean of its divisors is an integer number (366935860).

Almost surely, 2^1466443423 is an apocalyptic number.

1466443423 is a deficient number, since it is larger than the sum of its proper divisors (1300017).

1466443423 is a wasteful number, since it uses less digits than its factorization.

1466443423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300016.

The product of its digits is 165888, while the sum is 37.

The square root of 1466443423 is about 38294.1695692699. The cubic root of 1466443423 is about 1136.1136315014.

It can be divided in two parts, 1466 and 443423, that added together give a square (444889 = 667²).

The spelling of 1466443423 in words is "one billion, four hundred sixty-six million, four hundred forty-three thousand, four hundred twenty-three".