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10401223 = 71485889
BaseRepresentation
bin100111101011…
…010111000111
3201120102210111
4213223113013
510130314343
61010533451
7154260160
oct47532707
921512714
1010401223
115964658
123597287
132202391
14154a767
15da6c9d
hex9eb5c7

10401223 has 4 divisors (see below), whose sum is σ = 11887120. Its totient is φ = 8915328.

The previous prime is 10401217. The next prime is 10401233. The reversal of 10401223 is 32210401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32210401 = 59545939.

It is a cyclic number.

It is not a de Polignac number, because 10401223 - 25 = 10401191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10401203) 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, 742938 + ... + 742951.

It is an arithmetic number, because the mean of its divisors is an integer number (2971780).

Almost surely, 210401223 is an apocalyptic number.

10401223 is a deficient number, since it is larger than the sum of its proper divisors (1485897).

10401223 is an equidigital number, since it uses as much as digits as its factorization.

10401223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485896.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 10401223 is about 3225.0927118457. The cubic root of 10401223 is about 218.2871325172.

Adding to 10401223 its reverse (32210401), we get a palindrome (42611624).

The spelling of 10401223 in words is "ten million, four hundred one thousand, two hundred twenty-three".

Divisors: 1 7 1485889 10401223