23217873 has 8 divisors (see below), whose sum is σ = 35379648. Its totient is φ = 13267344.

The previous prime is 23217871. The next prime is 23217877. The reversal of 23217873 is 37871232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23217873 - 2¹ = 23217871 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23217871) 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 in 7 ways as a sum of consecutive naturals, for example, 552786 + ... + 552827.

It is an arithmetic number, because the mean of its divisors is an integer number (4422456).

Almost surely, 2^23217873 is an apocalyptic number.

It is an amenable number.

23217873 is a deficient number, since it is larger than the sum of its proper divisors (12161775).

23217873 is a wasteful number, since it uses less digits than its factorization.

23217873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105623.

The product of its digits is 14112, while the sum is 33.

The square root of 23217873 is about 4818.4928141484. The cubic root of 23217873 is about 285.2818510573.

It can be divided in two parts, 23217 and 873, that added together give a triangular number (24090 = T₂₁₉).

The spelling of 23217873 in words is "twenty-three million, two hundred seventeen thousand, eight hundred seventy-three".