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23230012217 is a prime number
BaseRepresentation
bin10101101000100111…
…011101101100111001
32012221221100220000212
4111220213131230321
5340033340342332
614401031440505
71451442563066
oct255047355471
965857326025
1023230012217
119940811005
124603826135
132262923b79
1411a5283c6d
1590e5e68b2
hex5689ddb39

23230012217 has 2 divisors, whose sum is σ = 23230012218. Its totient is φ = 23230012216.

The previous prime is 23230012193. The next prime is 23230012277. The reversal of 23230012217 is 71221003232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17598410281 + 5631601936 = 132659^2 + 75044^2 .

It is a cyclic number.

It is not a de Polignac number, because 23230012217 - 26 = 23230012153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23230012192 and 23230012201.

It is not a weakly prime, because it can be changed into another prime (23230012277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11615006108 + 11615006109.

It is an arithmetic number, because the mean of its divisors is an integer number (11615006109).

Almost surely, 223230012217 is an apocalyptic number.

It is an amenable number.

23230012217 is a deficient number, since it is larger than the sum of its proper divisors (1).

23230012217 is an equidigital number, since it uses as much as digits as its factorization.

23230012217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

Adding to 23230012217 its reverse (71221003232), we get a palindrome (94451015449).

The spelling of 23230012217 in words is "twenty-three billion, two hundred thirty million, twelve thousand, two hundred seventeen".