423255523 has 4 divisors (see below), whose sum is σ = 427619080. Its totient is φ = 418891968.

The previous prime is 423255467. The next prime is 423255541. The reversal of 423255523 is 325552324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423255523 - 2⁹ = 423255011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423255593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2181633 + ... + 2181826.

It is an arithmetic number, because the mean of its divisors is an integer number (106904770).

Almost surely, 2^423255523 is an apocalyptic number.

423255523 is a deficient number, since it is larger than the sum of its proper divisors (4363557).

423255523 is an equidigital number, since it uses as much as digits as its factorization.

423255523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4363556.

The product of its digits is 36000, while the sum is 31.

The square root of 423255523 is about 20573.1748400678. The cubic root of 423255523 is about 750.8171969658.

The spelling of 423255523 in words is "four hundred twenty-three million, two hundred fifty-five thousand, five hundred twenty-three".