10323010091 has 2 divisors, whose sum is σ = 10323010092. Its totient is φ = 10323010090.

The previous prime is 10323010069. The next prime is 10323010109. The reversal of 10323010091 is 19001032301.

Together with next prime (10323010109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10323010091 is a prime.

It is not a weakly prime, because it can be changed into another prime (10323010031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5161505045 + 5161505046.

It is an arithmetic number, because the mean of its divisors is an integer number (5161505046).

Almost surely, 2^10323010091 is an apocalyptic number.

10323010091 is a deficient number, since it is larger than the sum of its proper divisors (1).

10323010091 is an equidigital number, since it uses as much as digits as its factorization.

10323010091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 10323010091 its reverse (19001032301), we get a palindrome (29324042392).

The spelling of 10323010091 in words is "ten billion, three hundred twenty-three million, ten thousand, ninety-one".