1040420312303 has 2 divisors, whose sum is σ = 1040420312304. Its totient is φ = 1040420312302.

The previous prime is 1040420312299. The next prime is 1040420312353. The reversal of 1040420312303 is 3032130240401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1040420312303 - 2² = 1040420312299 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040420312353) 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 as a sum of consecutive naturals, namely, 520210156151 + 520210156152.

It is an arithmetic number, because the mean of its divisors is an integer number (520210156152).

Almost surely, 2^{1040420312303} is an apocalyptic number.

1040420312303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040420312303 is an equidigital number, since it uses as much as digits as its factorization.

1040420312303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1040420312303 its reverse (3032130240401), we get a palindrome (4072550552704).

The spelling of 1040420312303 in words is "one trillion, forty billion, four hundred twenty million, three hundred twelve thousand, three hundred three".