4440454123403 has 4 divisors (see below), whose sum is σ = 4440492329640. Its totient is φ = 4440415917168.

The previous prime is 4440454123333. The next prime is 4440454123439. The reversal of 4440454123403 is 3043214540444.

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 4440454123403 - 2²² = 4440449929099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4440454123463) 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, 18928250 + ... + 19161407.

It is an arithmetic number, because the mean of its divisors is an integer number (1110123082410).

Almost surely, 2^{4440454123403} is an apocalyptic number.

4440454123403 is a deficient number, since it is larger than the sum of its proper divisors (38206237).

4440454123403 is a wasteful number, since it uses less digits than its factorization.

4440454123403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38206236.

The product of its (nonzero) digits is 368640, while the sum is 38.

Adding to 4440454123403 its reverse (3043214540444), we get a palindrome (7483668663847).

The spelling of 4440454123403 in words is "four trillion, four hundred forty billion, four hundred fifty-four million, one hundred twenty-three thousand, four hundred three".