2120223 has 16 divisors (see below), whose sum is σ = 3421440. Its totient is φ = 1140096.

The previous prime is 2120221. The next prime is 2120227. The reversal of 2120223 is 3220212.

It is not a de Polignac number, because 2120223 - 2¹ = 2120221 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2120199 and 2120208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2613 + ... + 3326.

It is an arithmetic number, because the mean of its divisors is an integer number (213840).

2^2120223 is an apocalyptic number.

2120223 is a deficient number, since it is larger than the sum of its proper divisors (1301217).

2120223 is a wasteful number, since it uses less digits than its factorization.

2120223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5966.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2120223 is about 1456.0985543568. The cubic root of 2120223 is about 128.4676699036.

Adding to 2120223 its reverse (3220212), we get a palindrome (5340435).

The spelling of 2120223 in words is "two million, one hundred twenty thousand, two hundred twenty-three".