423169769 has 8 divisors (see below), whose sum is σ = 477558720. Its totient is φ = 371434000.

The previous prime is 423169759. The next prime is 423169781. The reversal of 423169769 is 967961324.

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 423169769 - 2⁴ = 423169753 is a prime.

It is a super-2 number, since 2×423169769² = 358145306791026722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423169739) 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, 662957 + ... + 663594.

It is an arithmetic number, because the mean of its divisors is an integer number (59694840).

Almost surely, 2^423169769 is an apocalyptic number.

It is an amenable number.

423169769 is a deficient number, since it is larger than the sum of its proper divisors (54388951).

423169769 is a wasteful number, since it uses less digits than its factorization.

423169769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326591.

The product of its digits is 489888, while the sum is 47.

The square root of 423169769 is about 20571.0906127993. The cubic root of 423169769 is about 750.7664869154.

The spelling of 423169769 in words is "four hundred twenty-three million, one hundred sixty-nine thousand, seven hundred sixty-nine".