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23472329 is a prime number
BaseRepresentation
bin101100110001…
…0100011001001
31122011111222112
41121202203021
522002103304
62155032105
7403340306
oct131424311
948144875
1023472329
1112282121
127a3b635
134b2aa6a
1431900ad
1520d9b6e
hex16628c9

23472329 has 2 divisors, whose sum is σ = 23472330. Its totient is φ = 23472328.

The previous prime is 23472289. The next prime is 23472331. The reversal of 23472329 is 92327432.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20912329 + 2560000 = 4573^2 + 1600^2 .

It is a cyclic number.

It is not a de Polignac number, because 23472329 - 212 = 23468233 is a prime.

It is a Sophie Germain prime.

Together with 23472331, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23472295 and 23472304.

It is not a weakly prime, because it can be changed into another prime (23472349) 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, 11736164 + 11736165.

It is an arithmetic number, because the mean of its divisors is an integer number (11736165).

Almost surely, 223472329 is an apocalyptic number.

It is an amenable number.

23472329 is a deficient number, since it is larger than the sum of its proper divisors (1).

23472329 is an equidigital number, since it uses as much as digits as its factorization.

23472329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 32.

The square root of 23472329 is about 4844.8249710387. The cubic root of 23472329 is about 286.3202478190.

The spelling of 23472329 in words is "twenty-three million, four hundred seventy-two thousand, three hundred twenty-nine".