106812223 has 4 divisors (see below), whose sum is σ = 122071120. Its totient is φ = 91553328.

The previous prime is 106812203. The next prime is 106812227. The reversal of 106812223 is 322218601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 106812223 - 2²¹ = 104715071 is a prime.

It is a super-2 number, since 2×106812223² = 22817701964403458, which 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 (106812227) 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, 7629438 + ... + 7629451.

It is an arithmetic number, because the mean of its divisors is an integer number (30517780).

Almost surely, 2^106812223 is an apocalyptic number.

106812223 is a deficient number, since it is larger than the sum of its proper divisors (15258897).

106812223 is an equidigital number, since it uses as much as digits as its factorization.

106812223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15258896.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 106812223 is about 10334.9999032414. Note that the first 4 decimals coincide. The cubic root of 106812223 is about 474.4680626945.

The spelling of 106812223 in words is "one hundred six million, eight hundred twelve thousand, two hundred twenty-three".