423255015 has 12 divisors (see below), whose sum is σ = 733642104. Its totient is φ = 225735984.

The previous prime is 423255011. The next prime is 423255023. The reversal of 423255015 is 510552324.

It is a happy number.

It is not a de Polignac number, because 423255015 - 2² = 423255011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423255015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423255011) 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, 4702789 + ... + 4702878.

It is an arithmetic number, because the mean of its divisors is an integer number (61136842).

Almost surely, 2^423255015 is an apocalyptic number.

423255015 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

423255015 is a deficient number, since it is larger than the sum of its proper divisors (310387089).

423255015 is a wasteful number, since it uses less digits than its factorization.

423255015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9405678 (or 9405675 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 423255015 is about 20573.1624938899. The cubic root of 423255015 is about 750.8168965836.

The spelling of 423255015 in words is "four hundred twenty-three million, two hundred fifty-five thousand, fifteen".