173423533 has 2 divisors, whose sum is σ = 173423534. Its totient is φ = 173423532.

The previous prime is 173423491. The next prime is 173423573. The reversal of 173423533 is 335324371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150258564 + 23164969 = 12258^2 + 4813^2 .

It is a cyclic number.

It is not a de Polignac number, because 173423533 - 2¹⁷ = 173292461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 173423495 and 173423504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173423573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86711766 + 86711767.

It is an arithmetic number, because the mean of its divisors is an integer number (86711767).

Almost surely, 2^173423533 is an apocalyptic number.

It is an amenable number.

173423533 is a deficient number, since it is larger than the sum of its proper divisors (1).

173423533 is an equidigital number, since it uses as much as digits as its factorization.

173423533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 31.

The square root of 173423533 is about 13169.0369048006. The cubic root of 173423533 is about 557.6598057834.

The spelling of 173423533 in words is "one hundred seventy-three million, four hundred twenty-three thousand, five hundred thirty-three".