523145226 has 8 divisors (see below), whose sum is σ = 1046290464. Its totient is φ = 174381740.

The previous prime is 523145219. The next prime is 523145237. The reversal of 523145226 is 622541325.

It is a sphenic number, since it is the product of 3 distinct primes.

523145226 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 523145193 and 523145202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43595430 + ... + 43595441.

It is an arithmetic number, because the mean of its divisors is an integer number (130786308).

Almost surely, 2^523145226 is an apocalyptic number.

523145226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

523145226 is a wasteful number, since it uses less digits than its factorization.

523145226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87190876.

The product of its digits is 14400, while the sum is 30.

The square root of 523145226 is about 22872.3681764701. The cubic root of 523145226 is about 805.7631875961.

The spelling of 523145226 in words is "five hundred twenty-three million, one hundred forty-five thousand, two hundred twenty-six".