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109423597 is a prime number
BaseRepresentation
bin1101000010110…
…10101111101101
321121220021221211
412201122233231
5211003023342
614505154421
72466041143
oct641325755
9247807854
10109423597
1156848628
123078ba11
1319892bba
1410765593
159916c17
hex685abed

109423597 has 2 divisors, whose sum is σ = 109423598. Its totient is φ = 109423596.

The previous prime is 109423579. The next prime is 109423607. The reversal of 109423597 is 795324901.

Together with previous prime (109423579) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107557641 + 1865956 = 10371^2 + 1366^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-109423597 is a prime.

It is a super-3 number, since 3×1094235973 (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109423507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54711798 + 54711799.

It is an arithmetic number, because the mean of its divisors is an integer number (54711799).

Almost surely, 2109423597 is an apocalyptic number.

It is an amenable number.

109423597 is a deficient number, since it is larger than the sum of its proper divisors (1).

109423597 is an equidigital number, since it uses as much as digits as its factorization.

109423597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 109423597 is about 10460.5734546439. The cubic root of 109423597 is about 478.3036139421.

The spelling of 109423597 in words is "one hundred nine million, four hundred twenty-three thousand, five hundred ninety-seven".