90101243340403 has 2 divisors, whose sum is σ = 90101243340404. Its totient is φ = 90101243340402.

The previous prime is 90101243340391. The next prime is 90101243340533. The reversal of 90101243340403 is 30404334210109.

It is a weak prime.

It is an emirp because it is prime and its reverse (30404334210109) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90101243340403 - 2⁵ = 90101243340371 is a prime.

It is not a weakly prime, because it can be changed into another prime (90101243340103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45050621670201 + 45050621670202.

It is an arithmetic number, because the mean of its divisors is an integer number (45050621670202).

Almost surely, 2^{90101243340403} is an apocalyptic number.

90101243340403 is a deficient number, since it is larger than the sum of its proper divisors (1).

90101243340403 is an equidigital number, since it uses as much as digits as its factorization.

90101243340403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 90101243340403 in words is "ninety trillion, one hundred one billion, two hundred forty-three million, three hundred forty thousand, four hundred three".