2331123023121 has 16 divisors (see below), whose sum is σ = 3301717091904. Its totient is φ = 1457901033984.

The previous prime is 2331123023083. The next prime is 2331123023123. The reversal of 2331123023121 is 1213203211332.

It is not a de Polignac number, because 2331123023121 - 2¹³ = 2331123014929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2331123023091 and 2331123023100.

It is not an unprimeable number, because it can be changed into a prime (2331123023123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74427820 + ... + 74459133.

It is an arithmetic number, because the mean of its divisors is an integer number (206357318244).

Almost surely, 2^{2331123023121} is an apocalyptic number.

It is an amenable number.

2331123023121 is a deficient number, since it is larger than the sum of its proper divisors (970594068783).

2331123023121 is a wasteful number, since it uses less digits than its factorization.

2331123023121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148887280.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 2331123023121 its reverse (1213203211332), we get a palindrome (3544326234453).

The spelling of 2331123023121 in words is "two trillion, three hundred thirty-one billion, one hundred twenty-three million, twenty-three thousand, one hundred twenty-one".