1109870623 has 2 divisors, whose sum is σ = 1109870624. Its totient is φ = 1109870622.

The previous prime is 1109870603. The next prime is 1109870627. The reversal of 1109870623 is 3260789011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1109870623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1109870627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554935311 + 554935312.

It is an arithmetic number, because the mean of its divisors is an integer number (554935312).

Almost surely, 2^1109870623 is an apocalyptic number.

1109870623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109870623 is an equidigital number, since it uses as much as digits as its factorization.

1109870623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 1109870623 is about 33314.7208152792. The cubic root of 1109870623 is about 1035.3585766208.

The spelling of 1109870623 in words is "one billion, one hundred nine million, eight hundred seventy thousand, six hundred twenty-three".