103640023 has 2 divisors, whose sum is σ = 103640024. Its totient is φ = 103640022.

The previous prime is 103639999. The next prime is 103640059. The reversal of 103640023 is 320046301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103640023 - 2¹³ = 103631831 is a prime.

It is a super-3 number, since 3×103640023³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103640083) 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, 51820011 + 51820012.

It is an arithmetic number, because the mean of its divisors is an integer number (51820012).

Almost surely, 2^103640023 is an apocalyptic number.

103640023 is a deficient number, since it is larger than the sum of its proper divisors (1).

103640023 is an equidigital number, since it uses as much as digits as its factorization.

103640023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 103640023 is about 10180.3744037241. The cubic root of 103640023 is about 469.7237292925.

Adding to 103640023 its reverse (320046301), we get a palindrome (423686324).

The spelling of 103640023 in words is "one hundred three million, six hundred forty thousand, twenty-three".