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123000419 is a prime number
BaseRepresentation
bin1110101010011…
…01011001100011
322120110001212002
413111031121203
5222442003134
620112154215
73022325543
oct725153143
9276401762
10123000419
1163481043
123523896b
131c637819
141249b323
15abe987e
hex754d663

123000419 has 2 divisors, whose sum is σ = 123000420. Its totient is φ = 123000418.

The previous prime is 123000391. The next prime is 123000421. The reversal of 123000419 is 914000321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123000419 - 212 = 122996323 is a prime.

It is a super-2 number, since 2×1230004192 = 30258206148351122, which contains 22 as substring.

Together with 123000421, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123000419.

It is not a weakly prime, because it can be changed into another prime (123000499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61500209 + 61500210.

It is an arithmetic number, because the mean of its divisors is an integer number (61500210).

Almost surely, 2123000419 is an apocalyptic number.

123000419 is a deficient number, since it is larger than the sum of its proper divisors (1).

123000419 is an equidigital number, since it uses as much as digits as its factorization.

123000419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 123000419 is about 11090.5553963722. Note that the first 3 decimals coincide. The cubic root of 123000419 is about 497.3195480326.

The spelling of 123000419 in words is "one hundred twenty-three million, four hundred nineteen", and thus it is an aban number.