523240422 has 16 divisors (see below), whose sum is σ = 1048584000. Its totient is φ = 174062952.

The previous prime is 523240391. The next prime is 523240427. The reversal of 523240422 is 224042325.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 523240392 and 523240401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523240427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84388 + ... + 90375.

It is an arithmetic number, because the mean of its divisors is an integer number (65536500).

Almost surely, 2^523240422 is an apocalyptic number.

523240422 is an abundant number, since it is smaller than the sum of its proper divisors (525343578).

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

523240422 is a wasteful number, since it uses less digits than its factorization.

523240422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175267.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 523240422 is about 22874.4491081206. The cubic root of 523240422 is about 805.8120591627.

Adding to 523240422 its reverse (224042325), we get a palindrome (747282747).

It can be divided in two parts, 5232 and 40422, that added together give a palindrome (45654).

The spelling of 523240422 in words is "five hundred twenty-three million, two hundred forty thousand, four hundred twenty-two".