4123313121 has 8 divisors (see below), whose sum is σ = 5498305120. Its totient is φ = 2748598272.

The previous prime is 4123313111. The next prime is 4123313179. The reversal of 4123313121 is 1213133214.

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

It is not a de Polignac number, because 4123313121 - 2¹⁹ = 4122788833 is a prime.

It is a super-2 number, since 2×4123313121² = 34003422187621521282, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4123313111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31651 + ... + 96168.

It is an arithmetic number, because the mean of its divisors is an integer number (687288140).

Almost surely, 2^4123313121 is an apocalyptic number.

It is an amenable number.

4123313121 is a deficient number, since it is larger than the sum of its proper divisors (1374991999).

4123313121 is a wasteful number, since it uses less digits than its factorization.

4123313121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138575.

The product of its digits is 432, while the sum is 21.

The square root of 4123313121 is about 64213.0292152613. The cubic root of 4123313121 is about 1603.5485201484.

Adding to 4123313121 its reverse (1213133214), we get a palindrome (5336446335).

The spelling of 4123313121 in words is "four billion, one hundred twenty-three million, three hundred thirteen thousand, one hundred twenty-one".