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231441323 = 792929637
BaseRepresentation
bin11011100101110…
…00001110101011
3121010111102210212
431302320032223
5433222110243
634544331335
75510135021
oct1562701653
9533442725
10231441323
11109708323
1265613b4b
1338c45339
1422a48711
15154ba318
hexdcb83ab

231441323 has 4 divisors (see below), whose sum is σ = 234371040. Its totient is φ = 228511608.

The previous prime is 231441307. The next prime is 231441347. The reversal of 231441323 is 323144132.

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

It is not a de Polignac number, because 231441323 - 24 = 231441307 is a prime.

It is a super-5 number, since 5×2314413235 (a number of 43 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231441923) 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, 1464740 + ... + 1464897.

It is an arithmetic number, because the mean of its divisors is an integer number (58592760).

Almost surely, 2231441323 is an apocalyptic number.

231441323 is a deficient number, since it is larger than the sum of its proper divisors (2929717).

231441323 is an equidigital number, since it uses as much as digits as its factorization.

231441323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929716.

The product of its digits is 1728, while the sum is 23.

The square root of 231441323 is about 15213.1956866399. The cubic root of 231441323 is about 613.9697408933.

Adding to 231441323 its reverse (323144132), we get a palindrome (554585455).

The spelling of 231441323 in words is "two hundred thirty-one million, four hundred forty-one thousand, three hundred twenty-three".

Divisors: 1 79 2929637 231441323