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3123123089 is a prime number
BaseRepresentation
bin1011101000100111…
…0001001110010001
322001122201002110112
42322021301032101
522344004414324
61233523211105
7140252052062
oct27211611621
98048632415
103123123089
111362a15669
12731b16a95
133aa062b38
14218ad6569
151342b4c0e
hexba271391

3123123089 has 2 divisors, whose sum is σ = 3123123090. Its totient is φ = 3123123088.

The previous prime is 3123123083. The next prime is 3123123109. The reversal of 3123123089 is 9803213213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2271475600 + 851647489 = 47660^2 + 29183^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3123123089 is a prime.

It is not a weakly prime, because it can be changed into another prime (3123123083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561561544 + 1561561545.

It is an arithmetic number, because the mean of its divisors is an integer number (1561561545).

Almost surely, 23123123089 is an apocalyptic number.

It is an amenable number.

3123123089 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123123089 is an equidigital number, since it uses as much as digits as its factorization.

3123123089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 3123123089 is about 55884.9093136958. The cubic root of 3123123089 is about 1461.7161106975.

The spelling of 3123123089 in words is "three billion, one hundred twenty-three million, one hundred twenty-three thousand, eighty-nine".