243102023121 has 16 divisors (see below), whose sum is σ = 328263468800. Its totient is φ = 160004602368.

The previous prime is 243102023111. The next prime is 243102023161. The reversal of 243102023121 is 121320201342.

It is not a de Polignac number, because 243102023121 - 2⁵ = 243102023089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243102023111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4088835 + ... + 4147863.

It is an arithmetic number, because the mean of its divisors is an integer number (20516466800).

Almost surely, 2^243102023121 is an apocalyptic number.

It is an amenable number.

243102023121 is a deficient number, since it is larger than the sum of its proper divisors (85161445679).

243102023121 is a wasteful number, since it uses less digits than its factorization.

243102023121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76488.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 243102023121 its reverse (121320201342), we get a palindrome (364422224463).

The spelling of 243102023121 in words is "two hundred forty-three billion, one hundred two million, twenty-three thousand, one hundred twenty-one".