10403123149 has 2 divisors, whose sum is σ = 10403123150. Its totient is φ = 10403123148.

The previous prime is 10403123147. The next prime is 10403123153. The reversal of 10403123149 is 94132130401.

10403123149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10162656100 + 240467049 = 100810^2 + 15507^2 .

It is a cyclic number.

It is not a de Polignac number, because 10403123149 - 2¹ = 10403123147 is a prime.

Together with 10403123147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10403123141) 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, 5201561574 + 5201561575.

It is an arithmetic number, because the mean of its divisors is an integer number (5201561575).

Almost surely, 2^10403123149 is an apocalyptic number.

It is an amenable number.

10403123149 is a deficient number, since it is larger than the sum of its proper divisors (1).

10403123149 is an equidigital number, since it uses as much as digits as its factorization.

10403123149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 10403123149 in words is "ten billion, four hundred three million, one hundred twenty-three thousand, one hundred forty-nine".