109581023 has 2 divisors, whose sum is σ = 109581024. Its totient is φ = 109581022.

The previous prime is 109581011. The next prime is 109581029. The reversal of 109581023 is 320185901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109581023 - 2¹⁰ = 109579999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109581029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54790511 + 54790512.

It is an arithmetic number, because the mean of its divisors is an integer number (54790512).

Almost surely, 2^109581023 is an apocalyptic number.

109581023 is a deficient number, since it is larger than the sum of its proper divisors (1).

109581023 is an equidigital number, since it uses as much as digits as its factorization.

109581023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 109581023 is about 10468.0954810319. The cubic root of 109581023 is about 478.5328799807.

The spelling of 109581023 in words is "one hundred nine million, five hundred eighty-one thousand, twenty-three".