23073 has 4 divisors (see below), whose sum is σ = 30768. Its totient is φ = 15380.
The previous prime is 23071. The next prime is 23081. The reversal of 23073 is 37032.
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 23073 - 21 = 23071 is a prime.
It is a D-number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (23071) 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, 3843 + ... + 3848.
It is an arithmetic number, because the mean of its divisors is an integer number (7692).
223073 is an apocalyptic number.
It is an amenable number.
23073 is a deficient number, since it is larger than the sum of its proper divisors (7695).
23073 is an equidigital number, since it uses as much as digits as its factorization.
23073 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7694.
The product of its (nonzero) digits is 126, while the sum is 15.
The square root of 23073 is about 151.8979920868. The cubic root of 23073 is about 28.4687253114.
It can be divided in two parts, 230 and 73, that added together give a palindrome (303).
The spelling of 23073 in words is "twenty-three thousand, seventy-three", and thus it is an iban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •