23279 has 2 divisors, whose sum is σ = 23280.
Its totient is φ = 23278.
The previous prime is 23269. The next prime is 23291. The reversal of 23279 is 97232.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 23279 - 212 = 19183 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a plaindrome in base 12 and base 16.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23209) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11639 + 11640.
It is an arithmetic number, because the mean of its divisors is an integer number (11640).
223279 is an apocalyptic number.
23279 is a deficient number, since it is larger than the sum of its proper divisors (1).
23279 is an equidigital number, since it uses as much as digits as its factorization.
23279 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 756, while the sum is 23.
The square root of 23279 is about 152.5745719312.
The cubic root of 23279 is about 28.5531990858.
The spelling of 23279 in words is "twenty-three thousand, two hundred seventy-nine".