4221837578123 has 8 divisors (see below), whose sum is σ = 4607417207856. Its totient is φ = 3836553984000.

The previous prime is 4221837578117. The next prime is 4221837578129. The reversal of 4221837578123 is 3218757381224.

It is an interprime number because it is at equal distance from previous prime (4221837578117) and next prime (4221837578129).

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

It is a cyclic number.

It is not a de Polignac number, because 4221837578123 - 2¹⁶ = 4221837512587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4221837578129) 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, 73979078 + ... + 74036123.

It is an arithmetic number, because the mean of its divisors is an integer number (575927150982).

Almost surely, 2^{4221837578123} is an apocalyptic number.

4221837578123 is a deficient number, since it is larger than the sum of its proper divisors (385579629733).

4221837578123 is a wasteful number, since it uses less digits than its factorization.

4221837578123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148017805.

The product of its digits is 4515840, while the sum is 53.

The spelling of 4221837578123 in words is "four trillion, two hundred twenty-one billion, eight hundred thirty-seven million, five hundred seventy-eight thousand, one hundred twenty-three".