105181223 has 8 divisors (see below), whose sum is σ = 122001792. Its totient is φ = 88809336.

The previous prime is 105181211. The next prime is 105181229. The reversal of 105181223 is 322181501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105181223 - 2¹⁰ = 105180199 is a prime.

It is a super-2 number, since 2×105181223² = 22126179343551458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105181229) 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, 111665 + ... + 112602.

It is an arithmetic number, because the mean of its divisors is an integer number (15250224).

Almost surely, 2^105181223 is an apocalyptic number.

105181223 is a deficient number, since it is larger than the sum of its proper divisors (16820569).

105181223 is an equidigital number, since it uses as much as digits as its factorization.

105181223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224341.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 105181223 is about 10255.7897306838. The cubic root of 105181223 is about 472.0406562102.

The spelling of 105181223 in words is "one hundred five million, one hundred eighty-one thousand, two hundred twenty-three".