103645823 has 2 divisors, whose sum is σ = 103645824. Its totient is φ = 103645822.

The previous prime is 103645819. The next prime is 103645853. The reversal of 103645823 is 328546301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103645823 - 2² = 103645819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103645823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103645853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51822911 + 51822912.

It is an arithmetic number, because the mean of its divisors is an integer number (51822912).

Almost surely, 2^103645823 is an apocalyptic number.

103645823 is a deficient number, since it is larger than the sum of its proper divisors (1).

103645823 is an equidigital number, since it uses as much as digits as its factorization.

103645823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 103645823 is about 10180.6592615606. The cubic root of 103645823 is about 469.7324915021.

The spelling of 103645823 in words is "one hundred three million, six hundred forty-five thousand, eight hundred twenty-three".