1004224400423 has 4 divisors (see below), whose sum is σ = 1004239552008. Its totient is φ = 1004209248840.

The previous prime is 1004224400411. The next prime is 1004224400437. The reversal of 1004224400423 is 3240044224001.

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 1004224400423 - 2⁸ = 1004224400167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1004224400392 and 1004224400401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004224400453) 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, 7475936 + ... + 7609077.

It is an arithmetic number, because the mean of its divisors is an integer number (251059888002).

Almost surely, 2^{1004224400423} is an apocalyptic number.

1004224400423 is a deficient number, since it is larger than the sum of its proper divisors (15151585).

1004224400423 is an equidigital number, since it uses as much as digits as its factorization.

1004224400423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15151584.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 1004224400423 its reverse (3240044224001), we get a palindrome (4244268624424).

The spelling of 1004224400423 in words is "one trillion, four billion, two hundred twenty-four million, four hundred thousand, four hundred twenty-three".