10091923 has 2 divisors, whose sum is σ = 10091924. Its totient is φ = 10091922.

The previous prime is 10091911. The next prime is 10091927. The reversal of 10091923 is 32919001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10091923 is a prime.

It is not a weakly prime, because it can be changed into another prime (10091927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5045961 + 5045962.

It is an arithmetic number, because the mean of its divisors is an integer number (5045962).

Almost surely, 2^10091923 is an apocalyptic number.

10091923 is a deficient number, since it is larger than the sum of its proper divisors (1).

10091923 is an equidigital number, since it uses as much as digits as its factorization.

10091923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 10091923 is about 3176.7787143583. The cubic root of 10091923 is about 216.1015968675.

The spelling of 10091923 in words is "ten million, ninety-one thousand, nine hundred twenty-three".