103000123 has 4 divisors (see below), whose sum is σ = 103081320. Its totient is φ = 102918928.

The previous prime is 103000111. The next prime is 103000181. The reversal of 103000123 is 321000301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103000123 - 2⁵ = 103000091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103000223) 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 in 3 ways as a sum of consecutive naturals, for example, 38665 + ... + 41242.

It is an arithmetic number, because the mean of its divisors is an integer number (25770330).

Almost surely, 2^103000123 is an apocalyptic number.

103000123 is a deficient number, since it is larger than the sum of its proper divisors (81197).

103000123 is an equidigital number, since it uses as much as digits as its factorization.

103000123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81196.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 103000123 is about 10148.8976248655. The cubic root of 103000123 is about 468.7550013570.

Adding to 103000123 its reverse (321000301), we get a palindrome (424000424).

The spelling of 103000123 in words is "one hundred three million, one hundred twenty-three", and thus it is an aban number.