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BaseRepresentation
bin101101111000101
31012020010
411233011
51222433
6300433
7125331
oct55705
935203
1023493
1116718
1211719
13a902
1487c1
156e63
hex5bc5

23493 has 8 divisors (see below), whose sum is σ = 32256. Its totient is φ = 15200.

The previous prime is 23473. The next prime is 23497. The reversal of 23493 is 39432.

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 23493 - 210 = 22469 is a prime.

It is a d-powerful number, because it can be written as 211 + 36 + 45 + 9 + 39 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23497) 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, 28 + ... + 218.

It is an arithmetic number, because the mean of its divisors is an integer number (4032).

223493 is an apocalyptic number.

It is an amenable number.

23493 is a deficient number, since it is larger than the sum of its proper divisors (8763).

23493 is a wasteful number, since it uses less digits than its factorization.

23493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235.

The product of its digits is 648, while the sum is 21.

The square root of 23493 is about 153.2742639845. The cubic root of 23493 is about 28.6404272847.

The spelling of 23493 in words is "twenty-three thousand, four hundred ninety-three".

Divisors: 1 3 41 123 191 573 7831 23493