523449493 has 16 divisors (see below), whose sum is σ = 615514240. Its totient is φ = 435891456.

The previous prime is 523449491. The next prime is 523449541. The reversal of 523449493 is 394944325.

It is not a de Polignac number, because 523449493 - 2¹ = 523449491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523449491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26593 + ... + 41881.

It is an arithmetic number, because the mean of its divisors is an integer number (38469640).

Almost surely, 2^523449493 is an apocalyptic number.

It is an amenable number.

523449493 is a deficient number, since it is larger than the sum of its proper divisors (92064747).

523449493 is a wasteful number, since it uses less digits than its factorization.

523449493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15436.

The product of its digits is 466560, while the sum is 43.

The square root of 523449493 is about 22879.0186196873. The cubic root of 523449493 is about 805.9193708892.

The spelling of 523449493 in words is "five hundred twenty-three million, four hundred forty-nine thousand, four hundred ninety-three".