105561323 has 12 divisors (see below), whose sum is σ = 121821648. Its totient is φ = 89604480.

The previous prime is 105561299. The next prime is 105561353. The reversal of 105561323 is 323165501.

It is not a de Polignac number, because 105561323 - 2⁸ = 105561067 is a prime.

It is a super-2 number, since 2×105561323² = 22286385827020658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105561292 and 105561301.

It is not an unprimeable number, because it can be changed into a prime (105561353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88793 + ... + 89973.

It is an arithmetic number, because the mean of its divisors is an integer number (10151804).

Almost surely, 2^105561323 is an apocalyptic number.

105561323 is a deficient number, since it is larger than the sum of its proper divisors (16260325).

105561323 is an equidigital number, since it uses as much as digits as its factorization.

105561323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414 (or 1301 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 105561323 is about 10274.3040153579. The cubic root of 105561323 is about 472.6085869709.

The spelling of 105561323 in words is "one hundred five million, five hundred sixty-one thousand, three hundred twenty-three".