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14323231 = 131764811
BaseRepresentation
bin110110101000…
…111000011111
3222221200210001
4312220320133
512131320411
61230555131
7232513456
oct66507037
928850701
1014323231
1180a328a
124968aa7
132c765b0
141c8bb9d
1513cddc1
hexda8e1f

14323231 has 8 divisors (see below), whose sum is σ = 16332624. Its totient is φ = 12443520.

The previous prime is 14323219. The next prime is 14323237. The reversal of 14323231 is 13232341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14323231 - 27 = 14323103 is a prime.

It is a super-2 number, since 2×143232312 = 410309892558722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14323199 and 14323208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14323237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32185 + ... + 32626.

It is an arithmetic number, because the mean of its divisors is an integer number (2041578).

Almost surely, 214323231 is an apocalyptic number.

14323231 is a deficient number, since it is larger than the sum of its proper divisors (2009393).

14323231 is a wasteful number, since it uses less digits than its factorization.

14323231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64841.

The product of its digits is 432, while the sum is 19.

The square root of 14323231 is about 3784.6044707472. The cubic root of 14323231 is about 242.8549716893.

Adding to 14323231 its reverse (13232341), we get a palindrome (27555572).

The spelling of 14323231 in words is "fourteen million, three hundred twenty-three thousand, two hundred thirty-one".

Divisors: 1 13 17 221 64811 842543 1101787 14323231