2004355023443 has 2 divisors, whose sum is σ = 2004355023444. Its totient is φ = 2004355023442.

The previous prime is 2004355023401. The next prime is 2004355023457. The reversal of 2004355023443 is 3443205534002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2004355023443 - 2¹² = 2004355019347 is a prime.

It is not a weakly prime, because it can be changed into another prime (2004355043443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002177511721 + 1002177511722.

It is an arithmetic number, because the mean of its divisors is an integer number (1002177511722).

Almost surely, 2^{2004355023443} is an apocalyptic number.

2004355023443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2004355023443 is an equidigital number, since it uses as much as digits as its factorization.

2004355023443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 35.

The spelling of 2004355023443 in words is "two trillion, four billion, three hundred fifty-five million, twenty-three thousand, four hundred forty-three".