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23132173 is a prime number
BaseRepresentation
bin101100000111…
…1100000001101
31121112020101011
41120033200031
521410212143
62143445221
7400422511
oct130174015
947466334
1023132173
111206a5a9
1278b6811
134a3bc9c
143102141
15206de9d
hex160f80d

23132173 has 2 divisors, whose sum is σ = 23132174. Its totient is φ = 23132172.

The previous prime is 23132171. The next prime is 23132203. The reversal of 23132173 is 37123132.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18818244 + 4313929 = 4338^2 + 2077^2 .

It is a cyclic number.

It is not a de Polignac number, because 23132173 - 21 = 23132171 is a prime.

Together with 23132171, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23132171) 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, 11566086 + 11566087.

It is an arithmetic number, because the mean of its divisors is an integer number (11566087).

Almost surely, 223132173 is an apocalyptic number.

It is an amenable number.

23132173 is a deficient number, since it is larger than the sum of its proper divisors (1).

23132173 is an equidigital number, since it uses as much as digits as its factorization.

23132173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 22.

The square root of 23132173 is about 4809.5917706184. The cubic root of 23132173 is about 284.9304149394.

The spelling of 23132173 in words is "twenty-three million, one hundred thirty-two thousand, one hundred seventy-three".