10040123 has 2 divisors, whose sum is σ = 10040124. Its totient is φ = 10040122.

The previous prime is 10040117. The next prime is 10040137. The reversal of 10040123 is 32104001.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (32104001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10040123 - 2⁶ = 10040059 is a prime.

It is not a weakly prime, because it can be changed into another prime (10030123) 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, 5020061 + 5020062.

It is an arithmetic number, because the mean of its divisors is an integer number (5020062).

Almost surely, 2^10040123 is an apocalyptic number.

10040123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10040123 is an equidigital number, since it uses as much as digits as its factorization.

10040123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 10040123 is about 3168.6153127194. The cubic root of 10040123 is about 215.7312257671.

Adding to 10040123 its reverse (32104001), we get a palindrome (42144124).

The spelling of 10040123 in words is "ten million, forty thousand, one hundred twenty-three".