2123243033 has 16 divisors (see below), whose sum is σ = 2357560080. Its totient is φ = 1902974976.

The previous prime is 2123243029. The next prime is 2123243063. The reversal of 2123243033 is 3303423212.

It can be written as a sum of positive squares in 8 ways, for example, as 93470224 + 2029772809 = 9668^2 + 45053^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123243033 - 2² = 2123243029 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123243063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6491 + ... + 65487.

It is an arithmetic number, because the mean of its divisors is an integer number (147347505).

Almost surely, 2^2123243033 is an apocalyptic number.

It is an amenable number.

2123243033 is a deficient number, since it is larger than the sum of its proper divisors (234317047).

2123243033 is a wasteful number, since it uses less digits than its factorization.

2123243033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59116.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 2123243033 is about 46078.6613629346. The cubic root of 2123243033 is about 1285.2863715995.

Adding to 2123243033 its reverse (3303423212), we get a palindrome (5426666245).

The spelling of 2123243033 in words is "two billion, one hundred twenty-three million, two hundred forty-three thousand, thirty-three".