2120543223 has 16 divisors (see below), whose sum is σ = 2905739616. Its totient is φ = 1374572160.

The previous prime is 2120543221. The next prime is 2120543231. The reversal of 2120543223 is 3223450212.

It is not a de Polignac number, because 2120543223 - 2¹ = 2120543221 is a prime.

It is a super-2 number, since 2×2120543223² = 8993407121222455458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2120543193 and 2120543202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120543221) 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, 187765 + ... + 198737.

It is an arithmetic number, because the mean of its divisors is an integer number (181608726).

Almost surely, 2^2120543223 is an apocalyptic number.

2120543223 is a deficient number, since it is larger than the sum of its proper divisors (785196393).

2120543223 is a wasteful number, since it uses less digits than its factorization.

2120543223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12754.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2120543223 is about 46049.3563798670. The cubic root of 2120543223 is about 1284.7413718425.

Adding to 2120543223 its reverse (3223450212), we get a palindrome (5343993435).

The spelling of 2120543223 in words is "two billion, one hundred twenty million, five hundred forty-three thousand, two hundred twenty-three".