109413923 has 2 divisors, whose sum is σ = 109413924. Its totient is φ = 109413922.

The previous prime is 109413919. The next prime is 109413937. The reversal of 109413923 is 329314901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109413923 - 2² = 109413919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109413923.

It is not a weakly prime, because it can be changed into another prime (109413023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54706961 + 54706962.

It is an arithmetic number, because the mean of its divisors is an integer number (54706962).

Almost surely, 2^109413923 is an apocalyptic number.

109413923 is a deficient number, since it is larger than the sum of its proper divisors (1).

109413923 is an equidigital number, since it uses as much as digits as its factorization.

109413923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 109413923 is about 10460.1110414756. Note that the first 3 decimals coincide. The cubic root of 109413923 is about 478.2895181235.

The spelling of 109413923 in words is "one hundred nine million, four hundred thirteen thousand, nine hundred twenty-three".