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23003047 is a prime number
BaseRepresentation
bin101011110111…
…1111110100111
31121021200020201
41113233332213
521342044142
62141011331
7366344164
oct127577647
947250221
1023003047
1111a91591
127853b47
1349c5292
1430ab06b
152045ab7
hex15effa7

23003047 has 2 divisors, whose sum is σ = 23003048. Its totient is φ = 23003046.

The previous prime is 23003041. The next prime is 23003051. The reversal of 23003047 is 74030032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23003047 - 27 = 23002919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23003041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11501523 + 11501524.

It is an arithmetic number, because the mean of its divisors is an integer number (11501524).

Almost surely, 223003047 is an apocalyptic number.

23003047 is a deficient number, since it is larger than the sum of its proper divisors (1).

23003047 is an equidigital number, since it uses as much as digits as its factorization.

23003047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 23003047 is about 4796.1491845021. The cubic root of 23003047 is about 284.3992557823.

Adding to 23003047 its reverse (74030032), we get a palindrome (97033079).

The spelling of 23003047 in words is "twenty-three million, three thousand, forty-seven".