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5423 = 111729
BaseRepresentation
bin1010100101111
321102212
41110233
5133143
641035
721545
oct12457
97385
105423
114090
12317b
132612
141d95
151918
hex152f

5423 has 8 divisors (see below), whose sum is σ = 6480. Its totient is φ = 4480.

The previous prime is 5419. The next prime is 5431. The reversal of 5423 is 3245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5423 - 22 = 5419 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 5398 and 5407.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 5423.

It is not an unprimeable number, because it can be changed into a prime (5413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173 + ... + 201.

It is an arithmetic number, because the mean of its divisors is an integer number (810).

25423 is an apocalyptic number.

5423 is a deficient number, since it is larger than the sum of its proper divisors (1057).

5423 is a wasteful number, since it uses less digits than its factorization.

5423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57.

The product of its digits is 120, while the sum is 14.

The square root of 5423 is about 73.6410211771. The cubic root of 5423 is about 17.5689794483.

Adding to 5423 its reverse (3245), we get a palindrome (8668).

It can be divided in two parts, 542 and 3, that added together give a palindrome (545).

The spelling of 5423 in words is "five thousand, four hundred twenty-three".

Divisors: 1 11 17 29 187 319 493 5423