523020044 has 6 divisors (see below), whose sum is σ = 915285084. Its totient is φ = 261510020.

The previous prime is 523020037. The next prime is 523020061. The reversal of 523020044 is 440020325.

It is a junction number, because it is equal to n+sod(n) for n = 523019998 and 523020025.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65377502 + ... + 65377509.

It is an arithmetic number, because the mean of its divisors is an integer number (152547514).

Almost surely, 2^523020044 is an apocalyptic number.

It is an amenable number.

523020044 is a deficient number, since it is larger than the sum of its proper divisors (392265040).

523020044 is a wasteful number, since it uses less digits than its factorization.

523020044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130755015 (or 130755013 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 523020044 is about 22869.6314793221. The cubic root of 523020044 is about 805.6989128410.

Adding to 523020044 its reverse (440020325), we get a palindrome (963040369).

The spelling of 523020044 in words is "five hundred twenty-three million, twenty thousand, forty-four".