10012003123 has 8 divisors (see below), whose sum is σ = 10637171280. Its totient is φ = 9405496800.

The previous prime is 10012003091. The next prime is 10012003129. The reversal of 10012003123 is 32130021001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10012003123 - 2⁵ = 10012003091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10012003129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4664353 + ... + 4666498.

It is an arithmetic number, because the mean of its divisors is an integer number (1329646410).

Almost surely, 2^10012003123 is an apocalyptic number.

10012003123 is a deficient number, since it is larger than the sum of its proper divisors (625168157).

10012003123 is an equidigital number, since it uses as much as digits as its factorization.

10012003123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9330917.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 10012003123 its reverse (32130021001), we get a palindrome (42142024124).

The spelling of 10012003123 in words is "ten billion, twelve million, three thousand, one hundred twenty-three".