105355221623 has 8 divisors (see below), whose sum is σ = 106234250496. Its totient is φ = 104477326200.

The previous prime is 105355221593. The next prime is 105355221683. The reversal of 105355221623 is 326122553501.

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 105355221623 - 2³⁴ = 88175352439 is a prime.

It is a super-2 number, since 2×105355221623² (a number of 23 digits) 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 (105355221683) 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, 96173 + ... + 468998.

It is an arithmetic number, because the mean of its divisors is an integer number (13279281312).

Almost surely, 2^105355221623 is an apocalyptic number.

105355221623 is a deficient number, since it is larger than the sum of its proper divisors (879028873).

105355221623 is a wasteful number, since it uses less digits than its factorization.

105355221623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566725.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 105355221623 in words is "one hundred five billion, three hundred fifty-five million, two hundred twenty-one thousand, six hundred twenty-three".