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128072023 is a prime number
BaseRepresentation
bin1111010001000…
…11100101010111
322220222201210021
413220203211113
5230241301043
620413010011
73113410552
oct750434527
9286881707
10128072023
1166325452
1236a83907
13206c2081
141301b699
15b39c3ed
hex7a23957

128072023 has 2 divisors, whose sum is σ = 128072024. Its totient is φ = 128072022.

The previous prime is 128071991. The next prime is 128072083. The reversal of 128072023 is 320270821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128072023 - 25 = 128071991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128072083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64036011 + 64036012.

It is an arithmetic number, because the mean of its divisors is an integer number (64036012).

Almost surely, 2128072023 is an apocalyptic number.

128072023 is a deficient number, since it is larger than the sum of its proper divisors (1).

128072023 is an equidigital number, since it uses as much as digits as its factorization.

128072023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 128072023 is about 11316.8910483401. The cubic root of 128072023 is about 504.0629264989.

The spelling of 128072023 in words is "one hundred twenty-eight million, seventy-two thousand, twenty-three".