4113123421 has 8 divisors (see below), whose sum is σ = 4487543424. Its totient is φ = 3738786720.

The previous prime is 4113123379. The next prime is 4113123437. The reversal of 4113123421 is 1243213114.

4113123421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4113123421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4113123392 and 4113123401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4113123481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129865 + ... + 158401.

It is an arithmetic number, because the mean of its divisors is an integer number (560942928).

Almost surely, 2^4113123421 is an apocalyptic number.

It is an amenable number.

4113123421 is a deficient number, since it is larger than the sum of its proper divisors (374420003).

4113123421 is a wasteful number, since it uses less digits than its factorization.

4113123421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41651.

The product of its digits is 576, while the sum is 22.

The square root of 4113123421 is about 64133.6372038886. The cubic root of 4113123421 is about 1602.2265123240.

Adding to 4113123421 its reverse (1243213114), we get a palindrome (5356336535).

The spelling of 4113123421 in words is "four billion, one hundred thirteen million, one hundred twenty-three thousand, four hundred twenty-one".