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190126723 is a prime number
BaseRepresentation
bin10110101010100…
…01101010000011
3111020202102211111
423111101222003
5342133023343
630511024151
74466023213
oct1325215203
9436672744
10190126723
119835a026
125380b057
133050b327
141b372243
1511a58c9d
hexb551a83

190126723 has 2 divisors, whose sum is σ = 190126724. Its totient is φ = 190126722.

The previous prime is 190126721. The next prime is 190126777. The reversal of 190126723 is 327621091.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 190126723 - 21 = 190126721 is a prime.

It is a super-2 number, since 2×1901267232 = 72296341597437458, which contains 22 as substring.

Together with 190126721, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (190126721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95063361 + 95063362.

It is an arithmetic number, because the mean of its divisors is an integer number (95063362).

Almost surely, 2190126723 is an apocalyptic number.

190126723 is a deficient number, since it is larger than the sum of its proper divisors (1).

190126723 is an equidigital number, since it uses as much as digits as its factorization.

190126723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 190126723 is about 13788.6447122261. The cubic root of 190126723 is about 575.0174895751.

The spelling of 190126723 in words is "one hundred ninety million, one hundred twenty-six thousand, seven hundred twenty-three".