423504169 has 8 divisors (see below), whose sum is σ = 471835008. Its totient is φ = 376811760.

The previous prime is 423504163. The next prime is 423504209. The reversal of 423504169 is 961405324.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 423504169 - 2⁹ = 423503657 is a prime.

It is a super-2 number, since 2×423504169² = 358711562320761122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423504163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409062 + ... + 410095.

It is an arithmetic number, because the mean of its divisors is an integer number (58979376).

Almost surely, 2^423504169 is an apocalyptic number.

It is an amenable number.

423504169 is a deficient number, since it is larger than the sum of its proper divisors (48330839).

423504169 is a wasteful number, since it uses less digits than its factorization.

423504169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819215.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 423504169 is about 20579.2169190181. The cubic root of 423504169 is about 750.9641933918.

The spelling of 423504169 in words is "four hundred twenty-three million, five hundred four thousand, one hundred sixty-nine".