1423042165 has 8 divisors (see below), whose sum is σ = 1715309568. Its totient is φ = 1133327760.

The previous prime is 1423042157. The next prime is 1423042169. The reversal of 1423042165 is 5612403241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1423042165 - 2³ = 1423042157 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 (1423042169) 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 7 ways as a sum of consecutive naturals, for example, 637021 + ... + 639250.

It is an arithmetic number, because the mean of its divisors is an integer number (214413696).

Almost surely, 2^1423042165 is an apocalyptic number.

It is an amenable number.

1423042165 is a deficient number, since it is larger than the sum of its proper divisors (292267403).

1423042165 is a wasteful number, since it uses less digits than its factorization.

1423042165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276499.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1423042165 is about 37723.2311049836. The cubic root of 1423042165 is about 1124.7929600889.

The spelling of 1423042165 in words is "one billion, four hundred twenty-three million, forty-two thousand, one hundred sixty-five".