105555820233 has 4 divisors (see below), whose sum is σ = 140741093648. Its totient is φ = 70370546820.

The previous prime is 105555820219. The next prime is 105555820277. The reversal of 105555820233 is 332028555501.

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.

It is not a de Polignac number, because 105555820233 - 2⁶ = 105555820169 is a prime.

It is a super-2 number, since 2×105555820233² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105555820191 and 105555820200.

It is not an unprimeable number, because it can be changed into a prime (105555820213) 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, 17592636703 + ... + 17592636708.

It is an arithmetic number, because the mean of its divisors is an integer number (35185273412).

Almost surely, 2^105555820233 is an apocalyptic number.

It is an amenable number.

105555820233 is a deficient number, since it is larger than the sum of its proper divisors (35185273415).

105555820233 is an equidigital number, since it uses as much as digits as its factorization.

105555820233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35185273414.

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 105555820233 in words is "one hundred five billion, five hundred fifty-five million, eight hundred twenty thousand, two hundred thirty-three".