423401255 has 8 divisors (see below), whose sum is σ = 524471424. Its totient is φ = 327794400.

The previous prime is 423401243. The next prime is 423401257. The reversal of 423401255 is 552104324.

It is a happy number.

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

It is not a de Polignac number, because 423401255 - 2¹⁶ = 423335719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423401257) 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, 1365656 + ... + 1365965.

It is an arithmetic number, because the mean of its divisors is an integer number (65558928).

Almost surely, 2^423401255 is an apocalyptic number.

423401255 is a deficient number, since it is larger than the sum of its proper divisors (101070169).

423401255 is a wasteful number, since it uses less digits than its factorization.

423401255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2731657.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 423401255 is about 20576.7163318154. The cubic root of 423401255 is about 750.9033588942.

Adding to 423401255 its reverse (552104324), we get a palindrome (975505579).

The spelling of 423401255 in words is "four hundred twenty-three million, four hundred one thousand, two hundred fifty-five".