423040375 has 16 divisors (see below), whose sum is σ = 528840000. Its totient is φ = 337864800.

The previous prime is 423040363. The next prime is 423040379. The reversal of 423040375 is 573040324.

It is not a de Polignac number, because 423040375 - 2⁹ = 423039863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423040379) 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 15 ways as a sum of consecutive naturals, for example, 82126 + ... + 87124.

It is an arithmetic number, because the mean of its divisors is an integer number (33052500).

Almost surely, 2^423040375 is an apocalyptic number.

423040375 is a deficient number, since it is larger than the sum of its proper divisors (105799625).

423040375 is an equidigital number, since it uses as much as digits as its factorization.

423040375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5691 (or 5681 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 423040375 is about 20567.9453276208. The cubic root of 423040375 is about 750.6899576758.

Adding to 423040375 its reverse (573040324), we get a palindrome (996080699).

The spelling of 423040375 in words is "four hundred twenty-three million, forty thousand, three hundred seventy-five".