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23473213 is a prime number
BaseRepresentation
bin101100110001…
…0110000111101
31122011120012021
41121202300331
522002120323
62155040141
7403343011
oct131426075
948146167
1023473213
1112282855
127a40051
134b2b29a
143190541
1520da05d
hex1662c3d

23473213 has 2 divisors, whose sum is σ = 23473214. Its totient is φ = 23473212.

The previous prime is 23473201. The next prime is 23473217. The reversal of 23473213 is 31237432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14455204 + 9018009 = 3802^2 + 3003^2 .

It is a cyclic number.

It is not a de Polignac number, because 23473213 - 25 = 23473181 is a prime.

It is equal to p1476160 and since 23473213 and 1476160 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23473217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11736606 + 11736607.

It is an arithmetic number, because the mean of its divisors is an integer number (11736607).

Almost surely, 223473213 is an apocalyptic number.

It is an amenable number.

23473213 is a deficient number, since it is larger than the sum of its proper divisors (1).

23473213 is an equidigital number, since it uses as much as digits as its factorization.

23473213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 25.

The square root of 23473213 is about 4844.9162015457. The cubic root of 23473213 is about 286.3238421779.

The spelling of 23473213 in words is "twenty-three million, four hundred seventy-three thousand, two hundred thirteen".