253423524 has 24 divisors (see below), whose sum is σ = 601017088. Its totient is φ = 83089440.

The previous prime is 253423523. The next prime is 253423531. The reversal of 253423524 is 425324352.

It is a junction number, because it is equal to n+sod(n) for n = 253423491 and 253423500.

It is not an unprimeable number, because it can be changed into a prime (253423523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172372 + ... + 173835.

Almost surely, 2^253423524 is an apocalyptic number.

It is an amenable number.

253423524 is an abundant number, since it is smaller than the sum of its proper divisors (347593564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253423524 is a wasteful number, since it uses less digits than its factorization.

253423524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346275 (or 346273 counting only the distinct ones).

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

The square root of 253423524 is about 15919.2815164504. The cubic root of 253423524 is about 632.8230777186.

Adding to 253423524 its reverse (425324352), we get a palindrome (678747876).

The spelling of 253423524 in words is "two hundred fifty-three million, four hundred twenty-three thousand, five hundred twenty-four".