100867949903123 has 16 divisors (see below), whose sum is σ = 109043419650816. Its totient is φ = 92752644598560.

The previous prime is 100867949903113. The next prime is 100867949903219. The reversal of 100867949903123 is 321309949768001.

It is a cyclic number.

It is not a de Polignac number, because 100867949903123 - 2⁴ = 100867949903107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100867949903113) 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, 10585193 + ... + 17713898.

It is an arithmetic number, because the mean of its divisors is an integer number (6815213728176).

Almost surely, 2^{100867949903123} is an apocalyptic number.

100867949903123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

100867949903123 is a deficient number, since it is larger than the sum of its proper divisors (8175469747693).

100867949903123 is a wasteful number, since it uses less digits than its factorization.

100867949903123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28300154.

The product of its (nonzero) digits is 17635968, while the sum is 62.

The spelling of 100867949903123 in words is "one hundred trillion, eight hundred sixty-seven billion, nine hundred forty-nine million, nine hundred three thousand, one hundred twenty-three".