2323012012121 has 4 divisors (see below), whose sum is σ = 2330433776052. Its totient is φ = 2315590248192.

The previous prime is 2323012012099. The next prime is 2323012012193. The reversal of 2323012012121 is 1212102103232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 527918496400 + 1795093515721 = 726580^2 + 1339811^2 .

It is a cyclic number.

It is not a de Polignac number, because 2323012012121 - 2¹⁰ = 2323012011097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2323012012093 and 2323012012102.

It is not an unprimeable number, because it can be changed into a prime (2323012014121) 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, 3710881496 + ... + 3710882121.

It is an arithmetic number, because the mean of its divisors is an integer number (582608444013).

Almost surely, 2^{2323012012121} is an apocalyptic number.

It is an amenable number.

2323012012121 is a deficient number, since it is larger than the sum of its proper divisors (7421763931).

2323012012121 is an equidigital number, since it uses as much as digits as its factorization.

2323012012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7421763930.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2323012012121 its reverse (1212102103232), we get a palindrome (3535114115353).

It can be divided in two parts, 232301 and 2012121, that added together give a palindrome (2244422).

The spelling of 2323012012121 in words is "two trillion, three hundred twenty-three billion, twelve million, twelve thousand, one hundred twenty-one".