1010103123 has 4 divisors (see below), whose sum is σ = 1346804168. Its totient is φ = 673402080.

The previous prime is 1010103103. The next prime is 1010103139. The reversal of 1010103123 is 3213010101.

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

It is not a de Polignac number, because 1010103123 - 2⁵ = 1010103091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010103099 and 1010103108.

It is not an unprimeable number, because it can be changed into a prime (1010103103) 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 in 3 ways as a sum of consecutive naturals, for example, 168350518 + ... + 168350523.

It is an arithmetic number, because the mean of its divisors is an integer number (336701042).

Almost surely, 2^1010103123 is an apocalyptic number.

1010103123 is a deficient number, since it is larger than the sum of its proper divisors (336701045).

1010103123 is an equidigital number, since it uses as much as digits as its factorization.

1010103123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336701044.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1010103123 is about 31782.1195485764. The cubic root of 1010103123 is about 1003.3564294440.

Adding to 1010103123 its reverse (3213010101), we get a palindrome (4223113224).

The spelling of 1010103123 in words is "one billion, ten million, one hundred three thousand, one hundred twenty-three".