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115243223 is a prime number
BaseRepresentation
bin1101101111001…
…11100011010111
322000211221222112
412313213203113
5214000240343
615234021235
72566360034
oct667474327
9260757875
10115243223
115a062a37
123271781b
131ab4ca74
141143c38b
15a1b6218
hex6de78d7

115243223 has 2 divisors, whose sum is σ = 115243224. Its totient is φ = 115243222.

The previous prime is 115243159. The next prime is 115243231. The reversal of 115243223 is 322342511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115243223 - 26 = 115243159 is a prime.

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 (115243423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57621611 + 57621612.

It is an arithmetic number, because the mean of its divisors is an integer number (57621612).

Almost surely, 2115243223 is an apocalyptic number.

115243223 is a deficient number, since it is larger than the sum of its proper divisors (1).

115243223 is an equidigital number, since it uses as much as digits as its factorization.

115243223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 23.

The square root of 115243223 is about 10735.1396357942. The cubic root of 115243223 is about 486.6370064387.

Adding to 115243223 its reverse (322342511), we get a palindrome (437585734).

The spelling of 115243223 in words is "one hundred fifteen million, two hundred forty-three thousand, two hundred twenty-three".