4123341423121 has 4 divisors (see below), whose sum is σ = 4123357379892. Its totient is φ = 4123325466352.

The previous prime is 4123341423101. The next prime is 4123341423199. The reversal of 4123341423121 is 1213241433214.

It is a happy number.

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 1154681342721 + 2968660080400 = 1074561^2 + 1722980^2 .

It is a cyclic number.

It is not a de Polignac number, because 4123341423121 - 2³⁹ = 3573585609233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4123341423101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7584286 + ... + 8109751.

It is an arithmetic number, because the mean of its divisors is an integer number (1030839344973).

Almost surely, 2^{4123341423121} is an apocalyptic number.

It is an amenable number.

4123341423121 is a deficient number, since it is larger than the sum of its proper divisors (15956771).

4123341423121 is a wasteful number, since it uses less digits than its factorization.

4123341423121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15956770.

The product of its digits is 13824, while the sum is 31.

Adding to 4123341423121 its reverse (1213241433214), we get a palindrome (5336582856335).

The spelling of 4123341423121 in words is "four trillion, one hundred twenty-three billion, three hundred forty-one million, four hundred twenty-three thousand, one hundred twenty-one".