2120324436123 has 4 divisors (see below), whose sum is σ = 2827099248168. Its totient is φ = 1413549624080.

The previous prime is 2120324436121. The next prime is 2120324436151. The reversal of 2120324436123 is 3216344230212.

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 2120324436123 - 2¹ = 2120324436121 is a prime.

It is a super-2 number, since 2×2120324436123² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2120324436121) 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, 353387406018 + ... + 353387406023.

It is an arithmetic number, because the mean of its divisors is an integer number (706774812042).

Almost surely, 2^{2120324436123} is an apocalyptic number.

2120324436123 is a deficient number, since it is larger than the sum of its proper divisors (706774812045).

2120324436123 is an equidigital number, since it uses as much as digits as its factorization.

2120324436123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706774812044.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 2120324436123 its reverse (3216344230212), we get a palindrome (5336668666335).

The spelling of 2120324436123 in words is "two trillion, one hundred twenty billion, three hundred twenty-four million, four hundred thirty-six thousand, one hundred twenty-three".