173541023 has 2 divisors, whose sum is σ = 173541024. Its totient is φ = 173541022.

The previous prime is 173540953. The next prime is 173541031. The reversal of 173541023 is 320145371.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 173541023 - 2¹² = 173536927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 173540983 and 173541001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173541073) 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, 86770511 + 86770512.

It is an arithmetic number, because the mean of its divisors is an integer number (86770512).

Almost surely, 2^173541023 is an apocalyptic number.

173541023 is a deficient number, since it is larger than the sum of its proper divisors (1).

173541023 is an equidigital number, since it uses as much as digits as its factorization.

173541023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 173541023 is about 13173.4969920671. The cubic root of 173541023 is about 557.7857107651.

Adding to 173541023 its reverse (320145371), we get a palindrome (493686394).

The spelling of 173541023 in words is "one hundred seventy-three million, five hundred forty-one thousand, twenty-three".