23873 has 2 divisors, whose sum is σ = 23874. Its totient is φ = 23872.

The previous prime is 23869. The next prime is 23879. The reversal of 23873 is 37832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16129 + 7744 = 127^2 + 88^2 .

It is a cyclic number.

It is not a de Polignac number, because 23873 - 2² = 23869 is a prime.

It is not a weakly prime, because it can be changed into another prime (23879) by changing a digit.

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 as a sum of consecutive naturals, namely, 11936 + 11937.

It is an arithmetic number, because the mean of its divisors is an integer number (11937).

2²³⁸⁷³ is an apocalyptic number.

It is an amenable number.

23873 is a deficient number, since it is larger than the sum of its proper divisors (1).

23873 is an equidigital number, since it uses as much as digits as its factorization.

23873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 23.

The square root of 23873 is about 154.5088994201. The cubic root of 23873 is about 28.7940220360.

The spelling of 23873 in words is "twenty-three thousand, eight hundred seventy-three".