523193983 has 4 divisors (see below), whose sum is σ = 563439688. Its totient is φ = 482948280.

The previous prime is 523193969. The next prime is 523194019. The reversal of 523193983 is 389391325.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523193983 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 (523193933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20122833 + ... + 20122858.

It is an arithmetic number, because the mean of its divisors is an integer number (140859922).

Almost surely, 2^523193983 is an apocalyptic number.

523193983 is a deficient number, since it is larger than the sum of its proper divisors (40245705).

523193983 is a wasteful number, since it uses less digits than its factorization.

523193983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40245704.

The product of its digits is 174960, while the sum is 43.

The square root of 523193983 is about 22873.4340010415. The cubic root of 523193983 is about 805.7882191255.

It can be divided in two parts, 523193 and 983, that added together give a square (524176 = 724²).

The spelling of 523193983 in words is "five hundred twenty-three million, one hundred ninety-three thousand, nine hundred eighty-three".