404121341123 has 4 divisors (see below), whose sum is σ = 404364350208. Its totient is φ = 403878332040.

The previous prime is 404121340999. The next prime is 404121341177. The reversal of 404121341123 is 321143121404.

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 404121341123 - 2¹⁸ = 404121078979 is a prime.

It is a super-2 number, since 2×404121341123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404121341092 and 404121341101.

It is not an unprimeable number, because it can be changed into a prime (404121341423) 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, 121502048 + ... + 121505373.

It is an arithmetic number, because the mean of its divisors is an integer number (101091087552).

Almost surely, 2^404121341123 is an apocalyptic number.

404121341123 is a deficient number, since it is larger than the sum of its proper divisors (243009085).

404121341123 is a wasteful number, since it uses less digits than its factorization.

404121341123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243009084.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 404121341123 its reverse (321143121404), we get a palindrome (725264462527).

The spelling of 404121341123 in words is "four hundred four billion, one hundred twenty-one million, three hundred forty-one thousand, one hundred twenty-three".