109723769 has 2 divisors, whose sum is σ = 109723770. Its totient is φ = 109723768.

The previous prime is 109723753. The next prime is 109723771. The reversal of 109723769 is 967327901.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100801600 + 8922169 = 10040^2 + 2987^2 .

It is a cyclic number.

It is not a de Polignac number, because 109723769 - 2⁴ = 109723753 is a prime.

It is a super-2 number, since 2×109723769² = 24078610967130722, which contains 22 as substring.

Together with 109723771, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (109723799) 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, 54861884 + 54861885.

It is an arithmetic number, because the mean of its divisors is an integer number (54861885).

Almost surely, 2^109723769 is an apocalyptic number.

It is an amenable number.

109723769 is a deficient number, since it is larger than the sum of its proper divisors (1).

109723769 is an equidigital number, since it uses as much as digits as its factorization.

109723769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 142884, while the sum is 44.

The square root of 109723769 is about 10474.9114077399. The cubic root of 109723769 is about 478.7405771812.

It can be divided in two parts, 10972 and 3769, that added together give a palindrome (14741).

The spelling of 109723769 in words is "one hundred nine million, seven hundred twenty-three thousand, seven hundred sixty-nine".