73109123 has 2 divisors, whose sum is σ = 73109124. Its totient is φ = 73109122.

The previous prime is 73109107. The next prime is 73109137. The reversal of 73109123 is 32190137.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73109123 - 2⁴ = 73109107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73109092 and 73109101.

It is not a weakly prime, because it can be changed into another prime (73109143) 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, 36554561 + 36554562.

It is an arithmetic number, because the mean of its divisors is an integer number (36554562).

Almost surely, 2^73109123 is an apocalyptic number.

73109123 is a deficient number, since it is larger than the sum of its proper divisors (1).

73109123 is an equidigital number, since it uses as much as digits as its factorization.

73109123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 73109123 is about 8550.3873011695. The cubic root of 73109123 is about 418.1420634617.

The spelling of 73109123 in words is "seventy-three million, one hundred nine thousand, one hundred twenty-three".