Search a number
-
+
23143112 = 233193319
BaseRepresentation
bin101100001001…
…0001011001000
31121112210101022
41120102023020
521411034422
62144012012
7400466426
oct130221310
947483338
1023143112
1112077843
127901008
134a43c65
143106116
152072342
hex16122c8

23143112 has 16 divisors (see below), whose sum is σ = 44793600. Its totient is φ = 11198160.

The previous prime is 23143111. The next prime is 23143151. The reversal of 23143112 is 21134132.

It is not an unprimeable number, because it can be changed into a prime (23143111) 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, 46412 + ... + 46907.

It is an arithmetic number, because the mean of its divisors is an integer number (2799600).

Almost surely, 223143112 is an apocalyptic number.

It is an amenable number.

23143112 is a deficient number, since it is larger than the sum of its proper divisors (21650488).

23143112 is a wasteful number, since it uses less digits than its factorization.

23143112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93356 (or 93352 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 23143112 is about 4810.7288429094. The cubic root of 23143112 is about 284.9753215525.

Adding to 23143112 its reverse (21134132), we get a palindrome (44277244).

The spelling of 23143112 in words is "twenty-three million, one hundred forty-three thousand, one hundred twelve".

Divisors: 1 2 4 8 31 62 124 248 93319 186638 373276 746552 2892889 5785778 11571556 23143112