423044525 has 18 divisors (see below), whose sum is σ = 529667550. Its totient is φ = 335166720.

The previous prime is 423044521. The next prime is 423044527. The reversal of 423044525 is 525440324.

It can be written as a sum of positive squares in 9 ways, for example, as 296459524 + 126585001 = 17218^2 + 11251^2 .

It is not a de Polignac number, because 423044525 - 2² = 423044521 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423044521) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1255157 + ... + 1255493.

It is an arithmetic number, because the mean of its divisors is an integer number (29425975).

Almost surely, 2^423044525 is an apocalyptic number.

It is an amenable number.

423044525 is a deficient number, since it is larger than the sum of its proper divisors (106623025).

423044525 is an equidigital number, since it uses as much as digits as its factorization.

423044525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 423044525 is about 20568.0462125113. The cubic root of 423044525 is about 750.6924124085.

Adding to 423044525 its reverse (525440324), we get a palindrome (948484849).

The spelling of 423044525 in words is "four hundred twenty-three million, forty-four thousand, five hundred twenty-five".