523319121 has 48 divisors (see below), whose sum is σ = 841451520. Its totient is φ = 311351040.

The previous prime is 523319119. The next prime is 523319129. The reversal of 523319121 is 121913325.

523319121 is a `hidden beast` number, since 523 + 3 + 19 + 121 = 666.

It is not a de Polignac number, because 523319121 - 2¹ = 523319119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (523319129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 608790 + ... + 609648.

It is an arithmetic number, because the mean of its divisors is an integer number (17530240).

Almost surely, 2^523319121 is an apocalyptic number.

It is an amenable number.

523319121 is a deficient number, since it is larger than the sum of its proper divisors (318132399).

523319121 is a wasteful number, since it uses less digits than its factorization.

523319121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046 (or 1043 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 523319121 is about 22876.1692815908. The cubic root of 523319121 is about 805.8524570508.

The spelling of 523319121 in words is "five hundred twenty-three million, three hundred nineteen thousand, one hundred twenty-one".