4124123321 has 4 divisors (see below), whose sum is σ = 4266334500. Its totient is φ = 3981912144.

The previous prime is 4124123317. The next prime is 4124123351. The reversal of 4124123321 is 1233214214.

4124123321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1233214214 = 2 ⋅616607107.

It can be written as a sum of positive squares in 2 ways, for example, as 863713321 + 3260410000 = 29389^2 + 57100^2 .

It is a cyclic number.

It is not a de Polignac number, because 4124123321 - 2² = 4124123317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4124123351) 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, 71105546 + ... + 71105603.

It is an arithmetic number, because the mean of its divisors is an integer number (1066583625).

Almost surely, 2^4124123321 is an apocalyptic number.

It is an amenable number.

4124123321 is a deficient number, since it is larger than the sum of its proper divisors (142211179).

4124123321 is a wasteful number, since it uses less digits than its factorization.

4124123321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142211178.

The product of its digits is 1152, while the sum is 23.

The square root of 4124123321 is about 64219.3375939055. The cubic root of 4124123321 is about 1603.6535416759.

Adding to 4124123321 its reverse (1233214214), we get a palindrome (5357337535).

The spelling of 4124123321 in words is "four billion, one hundred twenty-four million, one hundred twenty-three thousand, three hundred twenty-one".