10003123101 has 4 divisors (see below), whose sum is σ = 13337497472. Its totient is φ = 6668748732.

The previous prime is 10003123099. The next prime is 10003123139. The reversal of 10003123101 is 10132130001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10003123101 - 2¹ = 10003123099 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10003123171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667187181 + ... + 1667187186.

It is an arithmetic number, because the mean of its divisors is an integer number (3334374368).

Almost surely, 2^10003123101 is an apocalyptic number.

It is an amenable number.

10003123101 is a deficient number, since it is larger than the sum of its proper divisors (3334374371).

10003123101 is an equidigital number, since it uses as much as digits as its factorization.

10003123101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334374370.

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

Adding to 10003123101 its reverse (10132130001), we get a palindrome (20135253102).

The spelling of 10003123101 in words is "ten billion, three million, one hundred twenty-three thousand, one hundred one".