423203525 has 24 divisors (see below), whose sum is σ = 574818120. Its totient is φ = 307650560.

The previous prime is 423203503. The next prime is 423203533. The reversal of 423203525 is 525302324.

It can be written as a sum of positive squares in 12 ways, for example, as 65577604 + 357625921 = 8098^2 + 18911^2 .

It is not a de Polignac number, because 423203525 - 2⁶ = 423203461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423203494 and 423203503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4844 + ... + 29493.

It is an arithmetic number, because the mean of its divisors is an integer number (23950755).

Almost surely, 2^423203525 is an apocalyptic number.

It is an amenable number.

423203525 is a deficient number, since it is larger than the sum of its proper divisors (151614595).

423203525 is a wasteful number, since it uses less digits than its factorization.

423203525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34393 (or 34388 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 423203525 is about 20571.9110682503. The cubic root of 423203525 is about 750.7864491162.

Adding to 423203525 its reverse (525302324), we get a palindrome (948505849).

The spelling of 423203525 in words is "four hundred twenty-three million, two hundred three thousand, five hundred twenty-five".