641132343 has 12 divisors (see below), whose sum is σ = 939124368. Its totient is φ = 421401120.

The previous prime is 641132341. The next prime is 641132347. The reversal of 641132343 is 343231146.

641132343 is a `hidden beast` number, since 641 + 13 + 2 + 3 + 4 + 3 = 666.

It is not a de Polignac number, because 641132343 - 2¹ = 641132341 is a prime.

It is a super-2 number, since 2×641132343² = 822101362481339298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641132341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 501030 + ... + 502307.

It is an arithmetic number, because the mean of its divisors is an integer number (78260364).

Almost surely, 2^641132343 is an apocalyptic number.

641132343 is a deficient number, since it is larger than the sum of its proper divisors (297992025).

641132343 is a wasteful number, since it uses less digits than its factorization.

641132343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003414 (or 1003411 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 641132343 is about 25320.5912845652. The cubic root of 641132343 is about 862.2818180323.

Adding to 641132343 its reverse (343231146), we get a palindrome (984363489).

The spelling of 641132343 in words is "six hundred forty-one million, one hundred thirty-two thousand, three hundred forty-three".