423415453 has 24 divisors (see below), whose sum is σ = 457954560. Its totient is φ = 390962880.

The previous prime is 423415429. The next prime is 423415469. The reversal of 423415453 is 354514324.

It is not a de Polignac number, because 423415453 - 2⁹ = 423414941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423415423) 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 23 ways as a sum of consecutive naturals, for example, 4757433 + ... + 4757521.

It is an arithmetic number, because the mean of its divisors is an integer number (19081440).

Almost surely, 2^423415453 is an apocalyptic number.

423415453 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

423415453 is a deficient number, since it is larger than the sum of its proper divisors (34539107).

423415453 is an equidigital number, since it uses as much as digits as its factorization.

423415453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 246 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 423415453 is about 20577.0613305204. The cubic root of 423415453 is about 750.9117521985.

Adding to 423415453 its reverse (354514324), we get a palindrome (777929777).

The spelling of 423415453 in words is "four hundred twenty-three million, four hundred fifteen thousand, four hundred fifty-three".