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123606073 is a prime number
BaseRepresentation
bin1110101111000…
…01010000111001
322121120211122201
413113201100321
5223120343243
620133150201
73030430363
oct727412071
9277524581
10123606073
1163855088
123548b361
131c7ba3b6
14125b7d33
15acb904d
hex75e1439

123606073 has 2 divisors, whose sum is σ = 123606074. Its totient is φ = 123606072.

The previous prime is 123606061. The next prime is 123606107. The reversal of 123606073 is 370606321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74787904 + 48818169 = 8648^2 + 6987^2 .

It is a cyclic number.

It is not a de Polignac number, because 123606073 - 29 = 123605561 is a prime.

It is a super-2 number, since 2×1236060732 = 30556922564962658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123606013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61803036 + 61803037.

It is an arithmetic number, because the mean of its divisors is an integer number (61803037).

Almost surely, 2123606073 is an apocalyptic number.

It is an amenable number.

123606073 is a deficient number, since it is larger than the sum of its proper divisors (1).

123606073 is an equidigital number, since it uses as much as digits as its factorization.

123606073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 123606073 is about 11117.8268110274. The cubic root of 123606073 is about 498.1344789858.

The spelling of 123606073 in words is "one hundred twenty-three million, six hundred six thousand, seventy-three".