23078 has 8 divisors (see below), whose sum is σ = 37800. Its totient is φ = 10480.
The previous prime is 23071. The next prime is 23081. The reversal of 23078 is 87032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23071) by changing a digit.
23078 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503 + ... + 546.
It is an arithmetic number, because the mean of its divisors is an integer number (4725).
223078 is an apocalyptic number.
23078 is a deficient number, since it is larger than the sum of its proper divisors (14722).
23078 is a wasteful number, since it uses less digits than its factorization.
23078 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1062.
The product of its (nonzero) digits is 336, while the sum is 20.
The square root of 23078 is about 151.9144496090. The cubic root of 23078 is about 28.4707815871.
The spelling of 23078 in words is "twenty-three thousand, seventy-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •