423321255 has 64 divisors (see below), whose sum is σ = 883399680. Its totient is φ = 188272512.

The previous prime is 423321221. The next prime is 423321271. The reversal of 423321255 is 552123324.

It is a happy number.

It is not a de Polignac number, because 423321255 - 2⁶ = 423321191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28912 + ... + 41018.

It is an arithmetic number, because the mean of its divisors is an integer number (13803120).

Almost surely, 2^423321255 is an apocalyptic number.

423321255 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

423321255 is an abundant number, since it is smaller than the sum of its proper divisors (460078425).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423321255 is a wasteful number, since it uses less digits than its factorization.

423321255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12165 (or 12159 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 423321255 is about 20574.7722952163. The cubic root of 423321255 is about 750.8560625042.

Adding to 423321255 its reverse (552123324), we get a palindrome (975444579).

The spelling of 423321255 in words is "four hundred twenty-three million, three hundred twenty-one thousand, two hundred fifty-five".