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23441 = 112131
BaseRepresentation
bin101101110010001
31012011012
411232101
51222231
6300305
7125225
oct55621
935135
1023441
1116680
1211695
13a892
148785
156e2b
hex5b91

23441 has 4 divisors (see below), whose sum is σ = 25584. Its totient is φ = 21300.

The previous prime is 23431. The next prime is 23447. The reversal of 23441 is 14432.

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 23441 - 214 = 7057 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23447) 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, 1055 + ... + 1076.

It is an arithmetic number, because the mean of its divisors is an integer number (6396).

223441 is an apocalyptic number.

It is an amenable number.

23441 is a deficient number, since it is larger than the sum of its proper divisors (2143).

23441 is a wasteful number, since it uses less digits than its factorization.

23441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142.

The product of its digits is 96, while the sum is 14.

The square root of 23441 is about 153.1045394494. The cubic root of 23441 is about 28.6192805262.

Adding to 23441 its reverse (14432), we get a palindrome (37873).

Subtracting from 23441 its reverse (14432), we obtain a palindrome (9009).

It can be divided in two parts, 23 and 441, that added together give a palindrome (464).

The spelling of 23441 in words is "twenty-three thousand, four hundred forty-one", and thus it is an iban number.

Divisors: 1 11 2131 23441