423356625 has 40 divisors (see below), whose sum is σ = 789281064. Its totient is φ = 225784800.

The previous prime is 423356617. The next prime is 423356639. The reversal of 423356625 is 526653324.

423356625 is a `hidden beast` number, since 4 + 23 + 3 + 5 + 6 + 625 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 75272976 + 348083649 = 8676^2 + 18657^2 .

It is not a de Polignac number, because 423356625 - 2³ = 423356617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423356625.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10782 + ... + 31031.

Almost surely, 2^423356625 is an apocalyptic number.

423356625 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

423356625 is a deficient number, since it is larger than the sum of its proper divisors (365924439).

423356625 is an equidigital number, since it uses as much as digits as its factorization.

423356625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41840 (or 41821 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The square root of 423356625 is about 20575.6318250497. The cubic root of 423356625 is about 750.8769741554.

The spelling of 423356625 in words is "four hundred twenty-three million, three hundred fifty-six thousand, six hundred twenty-five".