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127145423 is a prime number
BaseRepresentation
bin1111001010000…
…01010111001111
322212020122201202
413211001113033
5230022123143
620341100115
73102501236
oct745012717
9285218652
10127145423
1165852269
12366b763b
13204593a2
1412c59b1d
15b267ab8
hex79415cf

127145423 has 2 divisors, whose sum is σ = 127145424. Its totient is φ = 127145422.

The previous prime is 127145419. The next prime is 127145467. The reversal of 127145423 is 324541721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 127145423 - 22 = 127145419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127142423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63572711 + 63572712.

It is an arithmetic number, because the mean of its divisors is an integer number (63572712).

Almost surely, 2127145423 is an apocalyptic number.

127145423 is a deficient number, since it is larger than the sum of its proper divisors (1).

127145423 is an equidigital number, since it uses as much as digits as its factorization.

127145423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 127145423 is about 11275.8779259089. The cubic root of 127145423 is about 502.8443526338.

The spelling of 127145423 in words is "one hundred twenty-seven million, one hundred forty-five thousand, four hundred twenty-three".