105553923 has 16 divisors (see below), whose sum is σ = 147121920. Its totient is φ = 67188704.

The previous prime is 105553907. The next prime is 105553937. The reversal of 105553923 is 329355501.

It is not a de Polignac number, because 105553923 - 2⁴ = 105553907 is a prime.

It is a super-2 number, since 2×105553923² = 22283261321379858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105553423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52348 + ... + 54326.

It is an arithmetic number, because the mean of its divisors is an integer number (9195120).

Almost surely, 2^105553923 is an apocalyptic number.

105553923 is a deficient number, since it is larger than the sum of its proper divisors (41567997).

105553923 is a wasteful number, since it uses less digits than its factorization.

105553923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778.

The product of its (nonzero) digits is 20250, while the sum is 33.

The square root of 105553923 is about 10273.9438873297. The cubic root of 105553923 is about 472.5975431998.

The spelling of 105553923 in words is "one hundred five million, five hundred fifty-three thousand, nine hundred twenty-three".