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23112200231 is a prime number
BaseRepresentation
bin10101100001100110…
…000011000000100111
32012122201200102100222
4111201212003000213
5334313210401411
614341222354555
71445512313651
oct254146030047
965581612328
1023112200231
11989026412a
12459028ba5b
1322443b4b33
1411937776d1
159040c44db
hex561983027

23112200231 has 2 divisors, whose sum is σ = 23112200232. Its totient is φ = 23112200230.

The previous prime is 23112200203. The next prime is 23112200249. The reversal of 23112200231 is 13200221132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23112200231 - 214 = 23112183847 is a prime.

It is a super-2 number, since 2×231122002312 (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23112200201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11556100115 + 11556100116.

It is an arithmetic number, because the mean of its divisors is an integer number (11556100116).

Almost surely, 223112200231 is an apocalyptic number.

23112200231 is a deficient number, since it is larger than the sum of its proper divisors (1).

23112200231 is an equidigital number, since it uses as much as digits as its factorization.

23112200231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23112200231 its reverse (13200221132), we get a palindrome (36312421363).

The spelling of 23112200231 in words is "twenty-three billion, one hundred twelve million, two hundred thousand, two hundred thirty-one".