2123243011033 has 4 divisors (see below), whose sum is σ = 2123271123408. Its totient is φ = 2123214898660.

The previous prime is 2123243010953. The next prime is 2123243011037. The reversal of 2123243011033 is 3301103423212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2123243011033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2123243010989 and 2123243011007.

It is not an unprimeable number, because it can be changed into a prime (2123243011037) 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, 13942591 + ... + 14094052.

It is an arithmetic number, because the mean of its divisors is an integer number (530817780852).

Almost surely, 2^{2123243011033} is an apocalyptic number.

It is an amenable number.

2123243011033 is a deficient number, since it is larger than the sum of its proper divisors (28112375).

2123243011033 is an equidigital number, since it uses as much as digits as its factorization.

2123243011033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28112374.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2123243011033 its reverse (3301103423212), we get a palindrome (5424346434245).

The spelling of 2123243011033 in words is "two trillion, one hundred twenty-three billion, two hundred forty-three million, eleven thousand, thirty-three".