90091223083 has 2 divisors, whose sum is σ = 90091223084. Its totient is φ = 90091223082.

The previous prime is 90091223059. The next prime is 90091223111. The reversal of 90091223083 is 38032219009.

It is a weak prime.

It is an emirp because it is prime and its reverse (38032219009) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90091223083 is a prime.

It is not a weakly prime, because it can be changed into another prime (90091223983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45045611541 + 45045611542.

It is an arithmetic number, because the mean of its divisors is an integer number (45045611542).

Almost surely, 2^90091223083 is an apocalyptic number.

90091223083 is a deficient number, since it is larger than the sum of its proper divisors (1).

90091223083 is an equidigital number, since it uses as much as digits as its factorization.

90091223083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 90091223083 in words is "ninety billion, ninety-one million, two hundred twenty-three thousand, eighty-three".