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115668823 is a prime number
BaseRepresentation
bin1101110010011…
…11011101010111
322001122120210111
412321033131113
5214102400243
615251103451
72603111614
oct671173527
9261576714
10115668823
115a323776
12328a1b87
131ac6b6ba
141150d50b
15a24c39d
hex6e4f757

115668823 has 2 divisors, whose sum is σ = 115668824. Its totient is φ = 115668822.

The previous prime is 115668821. The next prime is 115668853. The reversal of 115668823 is 328866511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115668823 - 21 = 115668821 is a prime.

It is a super-2 number, since 2×1156688232 = 26758553228410658, which contains 22 as substring.

Together with 115668821, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115668821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57834411 + 57834412.

It is an arithmetic number, because the mean of its divisors is an integer number (57834412).

Almost surely, 2115668823 is an apocalyptic number.

115668823 is a deficient number, since it is larger than the sum of its proper divisors (1).

115668823 is an equidigital number, since it uses as much as digits as its factorization.

115668823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 40.

The square root of 115668823 is about 10754.9441188692. The cubic root of 115668823 is about 487.2353301884.

The spelling of 115668823 in words is "one hundred fifteen million, six hundred sixty-eight thousand, eight hundred twenty-three".