10091023 has 2 divisors, whose sum is σ = 10091024. Its totient is φ = 10091022.

The previous prime is 10091021. The next prime is 10091069. The reversal of 10091023 is 32019001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10091023 - 2¹ = 10091021 is a prime.

Together with 10091021, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 10090988 and 10091006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10091021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5045511 + 5045512.

It is an arithmetic number, because the mean of its divisors is an integer number (5045512).

Almost surely, 2^10091023 is an apocalyptic number.

10091023 is a deficient number, since it is larger than the sum of its proper divisors (1).

10091023 is an equidigital number, since it uses as much as digits as its factorization.

10091023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 10091023 is about 3176.6370582740. The cubic root of 10091023 is about 216.0951726799.

The spelling of 10091023 in words is "ten million, ninety-one thousand, twenty-three".