53423173 has 2 divisors, whose sum is σ = 53423174. Its totient is φ = 53423172.

The previous prime is 53423159. The next prime is 53423177. The reversal of 53423173 is 37132435.

53423173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38353249 + 15069924 = 6193^2 + 3882^2 .

It is a cyclic number.

It is not a de Polignac number, because 53423173 - 2⁵ = 53423141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53423177) 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, 26711586 + 26711587.

It is an arithmetic number, because the mean of its divisors is an integer number (26711587).

Almost surely, 2^53423173 is an apocalyptic number.

It is an amenable number.

53423173 is a deficient number, since it is larger than the sum of its proper divisors (1).

53423173 is an equidigital number, since it uses as much as digits as its factorization.

53423173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 28.

The square root of 53423173 is about 7309.1157467918. The cubic root of 53423173 is about 376.6256488953.

It can be divided in two parts, 5342 and 3173, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 53423173 in words is "fifty-three million, four hundred twenty-three thousand, one hundred seventy-three".