1423021331003 has 2 divisors, whose sum is σ = 1423021331004. Its totient is φ = 1423021331002.

The previous prime is 1423021330961. The next prime is 1423021331033. The reversal of 1423021331003 is 3001331203241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1423021331003 - 2¹⁰ = 1423021329979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1423021331003.

It is not a weakly prime, because it can be changed into another prime (1423021331033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711510665501 + 711510665502.

It is an arithmetic number, because the mean of its divisors is an integer number (711510665502).

Almost surely, 2^{1423021331003} is an apocalyptic number.

1423021331003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423021331003 is an equidigital number, since it uses as much as digits as its factorization.

1423021331003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1423021331003 its reverse (3001331203241), we get a palindrome (4424352534244).

The spelling of 1423021331003 in words is "one trillion, four hundred twenty-three billion, twenty-one million, three hundred thirty-one thousand, three".