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23243113 = 71932327
BaseRepresentation
bin101100010101…
…0100101101001
31121201212120001
41120222211221
521422234423
62150103001
7401364115
oct130524551
947655501
1023243113
1112135993
12794aa61
134a7a62a
143130745
152091cad
hex162a969

23243113 has 4 divisors (see below), whose sum is σ = 23276160. Its totient is φ = 23210068.

The previous prime is 23243111. The next prime is 23243119. The reversal of 23243113 is 31134232.

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 a cyclic number.

It is not a de Polignac number, because 23243113 - 21 = 23243111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23243111) 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, 15445 + ... + 16882.

It is an arithmetic number, because the mean of its divisors is an integer number (5819040).

Almost surely, 223243113 is an apocalyptic number.

It is an amenable number.

23243113 is a deficient number, since it is larger than the sum of its proper divisors (33047).

23243113 is an equidigital number, since it uses as much as digits as its factorization.

23243113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33046.

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

The square root of 23243113 is about 4821.1111789711. Note that the first 4 decimals coincide. The cubic root of 23243113 is about 285.3851896403.

Adding to 23243113 its reverse (31134232), we get a palindrome (54377345).

The spelling of 23243113 in words is "twenty-three million, two hundred forty-three thousand, one hundred thirteen".

Divisors: 1 719 32327 23243113