101173123 has 2 divisors, whose sum is σ = 101173124. Its totient is φ = 101173122.

The previous prime is 101173097. The next prime is 101173139. The reversal of 101173123 is 321371101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101173123 - 2⁵ = 101173091 is a prime.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 101173123.

It is not a weakly prime, because it can be changed into another prime (101173183) 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, 50586561 + 50586562.

It is an arithmetic number, because the mean of its divisors is an integer number (50586562).

Almost surely, 2^101173123 is an apocalyptic number.

101173123 is a deficient number, since it is larger than the sum of its proper divisors (1).

101173123 is an equidigital number, since it uses as much as digits as its factorization.

101173123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 101173123 is about 10058.4851245105. The cubic root of 101173123 is about 465.9668832035.

The spelling of 101173123 in words is "one hundred one million, one hundred seventy-three thousand, one hundred twenty-three".