169423373 has 4 divisors (see below), whose sum is σ = 193626720. Its totient is φ = 145220028.

The previous prime is 169423367. The next prime is 169423393. The reversal of 169423373 is 373324961.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 169423373 - 2⁸ = 169423117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169423393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12101663 + ... + 12101676.

It is an arithmetic number, because the mean of its divisors is an integer number (48406680).

Almost surely, 2^169423373 is an apocalyptic number.

It is an amenable number.

169423373 is a deficient number, since it is larger than the sum of its proper divisors (24203347).

169423373 is an equidigital number, since it uses as much as digits as its factorization.

169423373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24203346.

The product of its digits is 81648, while the sum is 38.

The square root of 169423373 is about 13016.2733914128. The cubic root of 169423373 is about 553.3387796032.

The spelling of 169423373 in words is "one hundred sixty-nine million, four hundred twenty-three thousand, three hundred seventy-three".