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10223423 = 71818069
BaseRepresentation
bin100110111111…
…111100111111
3201020101220022
4212333330333
510104122143
61003042355
7152616620
oct46777477
921211808
1010223423
115853011
1235103bb
13216c482
141501a47
15d6e268
hex9bff3f

10223423 has 8 divisors (see below), whose sum is σ = 11749920. Its totient is φ = 8713440.

The previous prime is 10223413. The next prime is 10223441. The reversal of 10223423 is 32432201.

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 10223423 - 212 = 10219327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10223413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2768 + ... + 5301.

It is an arithmetic number, because the mean of its divisors is an integer number (1468740).

Almost surely, 210223423 is an apocalyptic number.

10223423 is a deficient number, since it is larger than the sum of its proper divisors (1526497).

10223423 is an equidigital number, since it uses as much as digits as its factorization.

10223423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8257.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 10223423 is about 3197.4087946336. The cubic root of 10223423 is about 217.0361666095.

Adding to 10223423 its reverse (32432201), we get a palindrome (42655624).

The spelling of 10223423 in words is "ten million, two hundred twenty-three thousand, four hundred twenty-three".

Divisors: 1 7 181 1267 8069 56483 1460489 10223423