423151065 has 12 divisors (see below), whose sum is σ = 733461924. Its totient is φ = 225680544.

The previous prime is 423151061. The next prime is 423151087. The reversal of 423151065 is 560151324.

It can be written as a sum of positive squares in 2 ways, for example, as 70913241 + 352237824 = 8421^2 + 18768^2 .

It is not a de Polignac number, because 423151065 - 2² = 423151061 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (423151061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4701634 + ... + 4701723.

It is an arithmetic number, because the mean of its divisors is an integer number (61121827).

Almost surely, 2^423151065 is an apocalyptic number.

423151065 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

423151065 is a deficient number, since it is larger than the sum of its proper divisors (310310859).

423151065 is a wasteful number, since it uses less digits than its factorization.

423151065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9403368 (or 9403365 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 423151065 is about 20570.6359891959. The cubic root of 423151065 is about 750.7554255209.

The spelling of 423151065 in words is "four hundred twenty-three million, one hundred fifty-one thousand, sixty-five".