523438444 has 12 divisors (see below), whose sum is σ = 916519968. Its totient is φ = 261575600.

The previous prime is 523438427. The next prime is 523438453. The reversal of 523438444 is 444834325.

It is a super-2 number, since 2×523438444² = 547975609314282272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27487 + ... + 42454.

It is an arithmetic number, because the mean of its divisors is an integer number (76376664).

Almost surely, 2^523438444 is an apocalyptic number.

It is an amenable number.

523438444 is a deficient number, since it is larger than the sum of its proper divisors (393081524).

523438444 is a wasteful number, since it uses less digits than its factorization.

523438444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71816 (or 71814 counting only the distinct ones).

The product of its digits is 184320, while the sum is 37.

The square root of 523438444 is about 22878.7771526365. Note that the first 3 decimals coincide. The cubic root of 523438444 is about 805.9137003862.

The spelling of 523438444 in words is "five hundred twenty-three million, four hundred thirty-eight thousand, four hundred forty-four".