141665423 has 4 divisors (see below), whose sum is σ = 141947568. Its totient is φ = 141383280.

The previous prime is 141665413. The next prime is 141665429. The reversal of 141665423 is 324566141.

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

It is a cyclic number.

It is not a de Polignac number, because 141665423 - 2²² = 137471119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 141665423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141665429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140318 + ... + 141323.

It is an arithmetic number, because the mean of its divisors is an integer number (35486892).

Almost surely, 2^141665423 is an apocalyptic number.

141665423 is a deficient number, since it is larger than the sum of its proper divisors (282145).

141665423 is an equidigital number, since it uses as much as digits as its factorization.

141665423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282144.

The product of its digits is 17280, while the sum is 32.

The square root of 141665423 is about 11902.3284696735. The cubic root of 141665423 is about 521.3002752528.

The spelling of 141665423 in words is "one hundred forty-one million, six hundred sixty-five thousand, four hundred twenty-three".