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63423 = 3729
BaseRepresentation
bin1111011110111111
310020000000
433132333
54012143
61205343
7352623
oct173677
9106000
1063423
1143718
1230853
1322b39
1419183
1513bd3
hexf7bf

63423 has 16 divisors (see below), whose sum is σ = 98400. Its totient is φ = 40824.

The previous prime is 63421. The next prime is 63439. The reversal of 63423 is 32436.

Adding to 63423 its reverse (32436), we get a palindrome (95859).

It is not a de Polignac number, because 63423 - 21 = 63421 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 63396 and 63405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2173 + ... + 2201.

It is an arithmetic number, because the mean of its divisors is an integer number (6150).

263423 is an apocalyptic number.

63423 is a deficient number, since it is larger than the sum of its proper divisors (34977).

63423 is an frugal number, since it uses more digits than its factorization.

63423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50 (or 32 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 63423 is about 251.8392344334. The cubic root of 63423 is about 39.8794285952.

The spelling of 63423 in words is "sixty-three thousand, four hundred twenty-three".

Divisors: 1 3 9 27 29 81 87 243 261 729 783 2187 2349 7047 21141 63423