105638233 has 4 divisors (see below), whose sum is σ = 111198160. Its totient is φ = 100078308.

The previous prime is 105638231. The next prime is 105638243. The reversal of 105638233 is 332836501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 332836501 = 347 ⋅959183.

It is a cyclic number.

It is not a de Polignac number, because 105638233 - 2¹ = 105638231 is a prime.

It is a super-2 number, since 2×105638233² = 22318872542724578, 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 = 105638195 and 105638204.

It is not an unprimeable number, because it can be changed into a prime (105638231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2779935 + ... + 2779972.

It is an arithmetic number, because the mean of its divisors is an integer number (27799540).

Almost surely, 2^105638233 is an apocalyptic number.

It is an amenable number.

105638233 is a deficient number, since it is larger than the sum of its proper divisors (5559927).

105638233 is an equidigital number, since it uses as much as digits as its factorization.

105638233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5559926.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 105638233 is about 10278.0461664657. The cubic root of 105638233 is about 472.7233370246.

The spelling of 105638233 in words is "one hundred five million, six hundred thirty-eight thousand, two hundred thirty-three".