4023004121321 has 4 divisors (see below), whose sum is σ = 4023071286144. Its totient is φ = 4022936956500.

The previous prime is 4023004121317. The next prime is 4023004121347. The reversal of 4023004121321 is 1231214003204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4023004121321 - 2² = 4023004121317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4023004121371) 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 3 ways as a sum of consecutive naturals, for example, 33492485 + ... + 33612386.

It is an arithmetic number, because the mean of its divisors is an integer number (1005767821536).

Almost surely, 2^{4023004121321} is an apocalyptic number.

It is an amenable number.

4023004121321 is a deficient number, since it is larger than the sum of its proper divisors (67164823).

4023004121321 is an equidigital number, since it uses as much as digits as its factorization.

4023004121321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67164822.

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

Adding to 4023004121321 its reverse (1231214003204), we get a palindrome (5254218124525).

The spelling of 4023004121321 in words is "four trillion, twenty-three billion, four million, one hundred twenty-one thousand, three hundred twenty-one".