834100123 has 2 divisors, whose sum is σ = 834100124. Its totient is φ = 834100122.

The previous prime is 834100109. The next prime is 834100147. The reversal of 834100123 is 321001438.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 834100123 - 2²¹ = 832002971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 834100094 and 834100103.

It is not a weakly prime, because it can be changed into another prime (834100193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417050061 + 417050062.

It is an arithmetic number, because the mean of its divisors is an integer number (417050062).

Almost surely, 2^834100123 is an apocalyptic number.

834100123 is a deficient number, since it is larger than the sum of its proper divisors (1).

834100123 is an equidigital number, since it uses as much as digits as its factorization.

834100123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 834100123 is about 28880.7915923369. The cubic root of 834100123 is about 941.3245710798.

The spelling of 834100123 in words is "eight hundred thirty-four million, one hundred thousand, one hundred twenty-three".