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173230423 = 612839843
BaseRepresentation
bin10100101001101…
…00100101010111
3110001222000110121
422110310211113
5323321333143
625104532411
74202301652
oct1224644527
9401860417
10173230423
1189869643
124a021107
1329b73812
1419014899
151031c7ed
hexa534957

173230423 has 4 divisors (see below), whose sum is σ = 176070328. Its totient is φ = 170390520.

The previous prime is 173230417. The next prime is 173230433. The reversal of 173230423 is 324032371.

173230423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324032371 = 1324925567.

It is a cyclic number.

It is not a de Polignac number, because 173230423 - 29 = 173229911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173230403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1419861 + ... + 1419982.

It is an arithmetic number, because the mean of its divisors is an integer number (44017582).

Almost surely, 2173230423 is an apocalyptic number.

173230423 is a deficient number, since it is larger than the sum of its proper divisors (2839905).

173230423 is an equidigital number, since it uses as much as digits as its factorization.

173230423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2839904.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 173230423 is about 13161.7028913435. The cubic root of 173230423 is about 557.4527410723.

Adding to 173230423 its reverse (324032371), we get a palindrome (497262794).

The spelling of 173230423 in words is "one hundred seventy-three million, two hundred thirty thousand, four hundred twenty-three".

Divisors: 1 61 2839843 173230423