109356943 has 2 divisors, whose sum is σ = 109356944. Its totient is φ = 109356942.

The previous prime is 109356893. The next prime is 109356953. The reversal of 109356943 is 349653901.

It is a strong prime.

It is an emirp because it is prime and its reverse (349653901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109356943 - 2¹⁷ = 109225871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109356896 and 109356905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109356953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54678471 + 54678472.

It is an arithmetic number, because the mean of its divisors is an integer number (54678472).

Almost surely, 2^109356943 is an apocalyptic number.

109356943 is a deficient number, since it is larger than the sum of its proper divisors (1).

109356943 is an equidigital number, since it uses as much as digits as its factorization.

109356943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 109356943 is about 10457.3870063224. The cubic root of 109356943 is about 478.2064766840.

The spelling of 109356943 in words is "one hundred nine million, three hundred fifty-six thousand, nine hundred forty-three".