109823969 has 2 divisors, whose sum is σ = 109823970. Its totient is φ = 109823968.

The previous prime is 109823963. The next prime is 109824017. The reversal of 109823969 is 969328901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59598400 + 50225569 = 7720^2 + 7087^2 .

It is a cyclic number.

It is not a de Polignac number, because 109823969 - 2¹⁶ = 109758433 is a prime.

It is a super-2 number, since 2×109823969² = 24122608333825922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (109823963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54911984 + 54911985.

It is an arithmetic number, because the mean of its divisors is an integer number (54911985).

Almost surely, 2^109823969 is an apocalyptic number.

It is an amenable number.

109823969 is a deficient number, since it is larger than the sum of its proper divisors (1).

109823969 is an equidigital number, since it uses as much as digits as its factorization.

109823969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 47.

The square root of 109823969 is about 10479.6931729894. The cubic root of 109823969 is about 478.8862618450.

The spelling of 109823969 in words is "one hundred nine million, eight hundred twenty-three thousand, nine hundred sixty-nine".