103644523 has 2 divisors, whose sum is σ = 103644524. Its totient is φ = 103644522.

The previous prime is 103644493. The next prime is 103644557. The reversal of 103644523 is 325446301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103644523 - 2¹³ = 103636331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103644491 and 103644500.

It is not a weakly prime, because it can be changed into another prime (103144523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51822261 + 51822262.

It is an arithmetic number, because the mean of its divisors is an integer number (51822262).

Almost surely, 2^103644523 is an apocalyptic number.

103644523 is a deficient number, since it is larger than the sum of its proper divisors (1).

103644523 is an equidigital number, since it uses as much as digits as its factorization.

103644523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 103644523 is about 10180.5954148075. The cubic root of 103644523 is about 469.7305275870.

The spelling of 103644523 in words is "one hundred three million, six hundred forty-four thousand, five hundred twenty-three".