823141 has 4 divisors (see below), whose sum is σ = 897984. Its totient is φ = 748300.

The previous prime is 823129. The next prime is 823153. The reversal of 823141 is 141328.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (823129) and next prime (823153).

It is a cyclic number.

It is not a de Polignac number, because 823141 - 2⁷ = 823013 is a prime.

It is a super-2 number, since 2×823141² = 1355122211762, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37405 + ... + 37426.

It is an arithmetic number, because the mean of its divisors is an integer number (224496).

2⁸²³¹⁴¹ is an apocalyptic number.

It is an amenable number.

823141 is a deficient number, since it is larger than the sum of its proper divisors (74843).

823141 is a wasteful number, since it uses less digits than its factorization.

823141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74842.

The product of its digits is 192, while the sum is 19.

The square root of 823141 is about 907.2711832743. The cubic root of 823141 is about 93.7183739249.

Adding to 823141 its reverse (141328), we get a palindrome (964469).

It can be divided in two parts, 82 and 3141, that added together give a palindrome (3223).

The spelling of 823141 in words is "eight hundred twenty-three thousand, one hundred forty-one".