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231214323 = 377071441
BaseRepresentation
bin11011100100000…
…00110011110011
3121010001220102110
431302000303303
5433142324243
634535420403
75505201144
oct1562006363
9533056373
10231214323
1110957281a
1265524703
1338b95c12
14229c9acb
1515472e33
hexdc80cf3

231214323 has 4 divisors (see below), whose sum is σ = 308285768. Its totient is φ = 154142880.

The previous prime is 231214307. The next prime is 231214343. The reversal of 231214323 is 323412132.

231214323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 231214323 - 24 = 231214307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231214323.

It is not an unprimeable number, because it can be changed into a prime (231214343) 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, 38535718 + ... + 38535723.

It is an arithmetic number, because the mean of its divisors is an integer number (77071442).

Almost surely, 2231214323 is an apocalyptic number.

231214323 is a deficient number, since it is larger than the sum of its proper divisors (77071445).

231214323 is an equidigital number, since it uses as much as digits as its factorization.

231214323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77071444.

The product of its digits is 864, while the sum is 21.

The square root of 231214323 is about 15205.7332279637. The cubic root of 231214323 is about 613.7689459794.

Adding to 231214323 its reverse (323412132), we get a palindrome (554626455).

The spelling of 231214323 in words is "two hundred thirty-one million, two hundred fourteen thousand, three hundred twenty-three".

Divisors: 1 3 77071441 231214323