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23041321 = 81128411
BaseRepresentation
bin101011111100…
…1010100101001
31121100121202021
41113321110221
521344310241
62141504441
7366563602
oct127712451
947317667
1023041321
1112008316
127872121
134a09824
1430bada9
1520520d1
hex15f9529

23041321 has 4 divisors (see below), whose sum is σ = 23070544. Its totient is φ = 23012100.

The previous prime is 23041309. The next prime is 23041349. The reversal of 23041321 is 12314032.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23041321 - 25 = 23041289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23041295 and 23041304.

It is not an unprimeable number, because it can be changed into a prime (23041301) 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, 13395 + ... + 15016.

It is an arithmetic number, because the mean of its divisors is an integer number (5767636).

Almost surely, 223041321 is an apocalyptic number.

It is an amenable number.

23041321 is a deficient number, since it is larger than the sum of its proper divisors (29223).

23041321 is an equidigital number, since it uses as much as digits as its factorization.

23041321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29222.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 23041321 is about 4800.1376021943. The cubic root of 23041321 is about 284.5569025146.

Adding to 23041321 its reverse (12314032), we get a palindrome (35355353).

The spelling of 23041321 in words is "twenty-three million, forty-one thousand, three hundred twenty-one".

Divisors: 1 811 28411 23041321