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233023 = 733289
BaseRepresentation
bin111000111000111111
3102211122111
4320320333
524424043
64554451
71660240
oct707077
9384574
10233023
1114a08a
12b2a27
13820ab
1460cc7
154909d
hex38e3f

233023 has 4 divisors (see below), whose sum is σ = 266320. Its totient is φ = 199728.

The previous prime is 233021. The next prime is 233069. The reversal of 233023 is 320332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 233023 - 21 = 233021 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 232994 and 233012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233021) 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, 16638 + ... + 16651.

It is an arithmetic number, because the mean of its divisors is an integer number (66580).

2233023 is an apocalyptic number.

233023 is a deficient number, since it is larger than the sum of its proper divisors (33297).

233023 is an equidigital number, since it uses as much as digits as its factorization.

233023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33296.

The product of its (nonzero) digits is 108, while the sum is 13.

The square root of 233023 is about 482.7245591432. The cubic root of 233023 is about 61.5365196102.

Adding to 233023 its reverse (320332), we get a palindrome (553355).

The spelling of 233023 in words is "two hundred thirty-three thousand, twenty-three".

Divisors: 1 7 33289 233023