105623870 has 16 divisors (see below), whose sum is σ = 207407088. Its totient is φ = 38408640.

The previous prime is 105623813. The next prime is 105623897. The reversal of 105623870 is 78326501.

It is a happy number.

It is a super-2 number, since 2×105623870² = 22312803827553800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479999 + ... + 480218.

It is an arithmetic number, because the mean of its divisors is an integer number (12962943).

Almost surely, 2^105623870 is an apocalyptic number.

105623870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105623870 is a deficient number, since it is larger than the sum of its proper divisors (101783218).

105623870 is a wasteful number, since it uses less digits than its factorization.

105623870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960235.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 105623870 is about 10277.3474204193. The cubic root of 105623870 is about 472.7019115967.

The spelling of 105623870 in words is "one hundred five million, six hundred twenty-three thousand, eight hundred seventy".