523394589346 has 4 divisors (see below), whose sum is σ = 785091884022. Its totient is φ = 261697294672.

The previous prime is 523394589337. The next prime is 523394589349. The reversal of 523394589346 is 643985493325.

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

It can be written as a sum of positive squares in only one way, i.e., 521918108721 + 1476480625 = 722439^2 + 38425^2 .

It is not an unprimeable number, because it can be changed into a prime (523394589349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130848647335 + ... + 130848647338.

Almost surely, 2^523394589346 is an apocalyptic number.

523394589346 is a deficient number, since it is larger than the sum of its proper divisors (261697294676).

523394589346 is a wasteful number, since it uses less digits than its factorization.

523394589346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261697294675.

The product of its digits is 83980800, while the sum is 61.

The spelling of 523394589346 in words is "five hundred twenty-three billion, three hundred ninety-four million, five hundred eighty-nine thousand, three hundred forty-six".