160423405 has 4 divisors (see below), whose sum is σ = 192508092. Its totient is φ = 128338720.

The previous prime is 160423399. The next prime is 160423409. The reversal of 160423405 is 504324061.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18003049 + 142420356 = 4243^2 + 11934^2 .

It is not a de Polignac number, because 160423405 - 2⁹ = 160422893 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 160423405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160423409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16042336 + ... + 16042345.

It is an arithmetic number, because the mean of its divisors is an integer number (48127023).

Almost surely, 2^160423405 is an apocalyptic number.

It is an amenable number.

160423405 is a deficient number, since it is larger than the sum of its proper divisors (32084687).

160423405 is an equidigital number, since it uses as much as digits as its factorization.

160423405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32084686.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 160423405 is about 12665.8361350524. The cubic root of 160423405 is about 543.3619756899.

Adding to 160423405 its reverse (504324061), we get a palindrome (664747466).

The spelling of 160423405 in words is "one hundred sixty million, four hundred twenty-three thousand, four hundred five".