423403625 has 32 divisors (see below), whose sum is σ = 549918720. Its totient is φ = 325080000.

The previous prime is 423403621. The next prime is 423403627. The reversal of 423403625 is 526304324.

It is not a de Polignac number, because 423403625 - 2² = 423403621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (423403621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 982160 + ... + 982590.

It is an arithmetic number, because the mean of its divisors is an integer number (17184960).

Almost surely, 2^423403625 is an apocalyptic number.

It is an amenable number.

423403625 is a deficient number, since it is larger than the sum of its proper divisors (126515095).

423403625 is a wasteful number, since it uses less digits than its factorization.

423403625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 423403625 is about 20576.7739210985. The cubic root of 423403625 is about 750.9047599589.

Adding to 423403625 its reverse (526304324), we get a palindrome (949707949).

The spelling of 423403625 in words is "four hundred twenty-three million, four hundred three thousand, six hundred twenty-five".