106543123 has 2 divisors, whose sum is σ = 106543124. Its totient is φ = 106543122.

The previous prime is 106543109. The next prime is 106543139. The reversal of 106543123 is 321345601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106543123 - 2²⁵ = 72988691 is a prime.

It is a super-2 number, since 2×106543123² = 22702874117186258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106543103) 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, 53271561 + 53271562.

It is an arithmetic number, because the mean of its divisors is an integer number (53271562).

Almost surely, 2^106543123 is an apocalyptic number.

106543123 is a deficient number, since it is larger than the sum of its proper divisors (1).

106543123 is an equidigital number, since it uses as much as digits as its factorization.

106543123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 106543123 is about 10321.9728249981. The cubic root of 106543123 is about 474.0692733474.

Adding to 106543123 its reverse (321345601), we get a palindrome (427888724).

The spelling of 106543123 in words is "one hundred six million, five hundred forty-three thousand, one hundred twenty-three".