4444321120123 has 4 divisors (see below), whose sum is σ = 4444382093400. Its totient is φ = 4444260146848.

The previous prime is 4444321120097. The next prime is 4444321120189. The reversal of 4444321120123 is 3210211234444.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4444321120123 - 2¹⁷ = 4444320989051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4444321124123) 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, 30377173 + ... + 30523126.

It is an arithmetic number, because the mean of its divisors is an integer number (1111095523350).

Almost surely, 2^{4444321120123} is an apocalyptic number.

4444321120123 is a deficient number, since it is larger than the sum of its proper divisors (60973277).

4444321120123 is an equidigital number, since it uses as much as digits as its factorization.

4444321120123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60973276.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 4444321120123 its reverse (3210211234444), we get a palindrome (7654532354567).

The spelling of 4444321120123 in words is "four trillion, four hundred forty-four billion, three hundred twenty-one million, one hundred twenty thousand, one hundred twenty-three".