423542325 has 12 divisors (see below), whose sum is σ = 700256768. Its totient is φ = 225889200.

The previous prime is 423542321. The next prime is 423542347. The reversal of 423542325 is 523245324.

It is not a de Polignac number, because 423542325 - 2² = 423542321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423542292 and 423542301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423542321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2823541 + ... + 2823690.

Almost surely, 2^423542325 is an apocalyptic number.

It is an amenable number.

423542325 is a deficient number, since it is larger than the sum of its proper divisors (276714443).

423542325 is a wasteful number, since it uses less digits than its factorization.

423542325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5647244 (or 5647239 counting only the distinct ones).

The product of its digits is 28800, while the sum is 30.

The square root of 423542325 is about 20580.1439499339. The cubic root of 423542325 is about 750.9867456525.

Adding to 423542325 its reverse (523245324), we get a palindrome (946787649).

The spelling of 423542325 in words is "four hundred twenty-three million, five hundred forty-two thousand, three hundred twenty-five".