1003400444223 has 6 divisors (see below), whose sum is σ = 1449356197224. Its totient is φ = 668933629476.

The previous prime is 1003400444219. The next prime is 1003400444261. The reversal of 1003400444223 is 3224440043001.

It is a happy number.

It is not a de Polignac number, because 1003400444223 - 2² = 1003400444219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003400442223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55744469115 + ... + 55744469132.

It is an arithmetic number, because the mean of its divisors is an integer number (241559366204).

Almost surely, 2^{1003400444223} is an apocalyptic number.

1003400444223 is a deficient number, since it is larger than the sum of its proper divisors (445955753001).

1003400444223 is a wasteful number, since it uses less digits than its factorization.

1003400444223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111488938253 (or 111488938250 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 1003400444223 its reverse (3224440043001), we get a palindrome (4227840487224).

The spelling of 1003400444223 in words is "one trillion, three billion, four hundred million, four hundred forty-four thousand, two hundred twenty-three".