100011013123 has 16 divisors (see below), whose sum is σ = 117098634240. Its totient is φ = 83623924800.

The previous prime is 100011013117. The next prime is 100011013129. The reversal of 100011013123 is 321310110001.

It is an interprime number because it is at equal distance from previous prime (100011013117) and next prime (100011013129).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100011013123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100011013129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5018008 + ... + 5037898.

It is an arithmetic number, because the mean of its divisors is an integer number (7318664640).

Almost surely, 2^100011013123 is an apocalyptic number.

100011013123 is a deficient number, since it is larger than the sum of its proper divisors (17087621117).

100011013123 is a wasteful number, since it uses less digits than its factorization.

100011013123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37458.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 100011013123 its reverse (321310110001), we get a palindrome (421321123124).

The spelling of 100011013123 in words is "one hundred billion, eleven million, thirteen thousand, one hundred twenty-three".