109423739 has 2 divisors, whose sum is σ = 109423740. Its totient is φ = 109423738.

The previous prime is 109423733. The next prime is 109423751. The reversal of 109423739 is 937324901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109423739 - 2¹⁶ = 109358203 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (109423733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54711869 + 54711870.

It is an arithmetic number, because the mean of its divisors is an integer number (54711870).

Almost surely, 2^109423739 is an apocalyptic number.

109423739 is a deficient number, since it is larger than the sum of its proper divisors (1).

109423739 is an equidigital number, since it uses as much as digits as its factorization.

109423739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 109423739 is about 10460.5802420325. The cubic root of 109423739 is about 478.3038208417.

The spelling of 109423739 in words is "one hundred nine million, four hundred twenty-three thousand, seven hundred thirty-nine".