3120423421 has 8 divisors (see below), whose sum is σ = 3139497344. Its totient is φ = 3101379840.

The previous prime is 3120423347. The next prime is 3120423431. The reversal of 3120423421 is 1243240213.

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-3120423421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3120423392 and 3120423401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120423431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219100 + ... + 232906.

It is an arithmetic number, because the mean of its divisors is an integer number (392437168).

Almost surely, 2^3120423421 is an apocalyptic number.

It is an amenable number.

3120423421 is a deficient number, since it is larger than the sum of its proper divisors (19073923).

3120423421 is a wasteful number, since it uses less digits than its factorization.

3120423421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15171.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3120423421 is about 55860.7502724408. The cubic root of 3120423421 is about 1461.2948138443.

Adding to 3120423421 its reverse (1243240213), we get a palindrome (4363663634).

The spelling of 3120423421 in words is "three billion, one hundred twenty million, four hundred twenty-three thousand, four hundred twenty-one".