2111253223 has 4 divisors (see below), whose sum is σ = 2113825608. Its totient is φ = 2108680840.

The previous prime is 2111253217. The next prime is 2111253257. The reversal of 2111253223 is 3223521112.

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 2111253223 - 2¹⁷ = 2111122151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111253194 and 2111253203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111253923) 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, 1284961 + ... + 1286602.

It is an arithmetic number, because the mean of its divisors is an integer number (528456402).

Almost surely, 2^2111253223 is an apocalyptic number.

2111253223 is a deficient number, since it is larger than the sum of its proper divisors (2572385).

2111253223 is an equidigital number, since it uses as much as digits as its factorization.

2111253223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572384.

The product of its digits is 720, while the sum is 22.

The square root of 2111253223 is about 45948.3756296128. The cubic root of 2111253223 is about 1282.8624949253.

Adding to 2111253223 its reverse (3223521112), we get a palindrome (5334774335).

The spelling of 2111253223 in words is "two billion, one hundred eleven million, two hundred fifty-three thousand, two hundred twenty-three".