100516123 has 2 divisors, whose sum is σ = 100516124. Its totient is φ = 100516122.

The previous prime is 100516103. The next prime is 100516183. The reversal of 100516123 is 321615001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100516123 is a prime.

It is a super-2 number, since 2×100516123² = 20206981965902258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100516123.

It is not a weakly prime, because it can be changed into another prime (100516103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50258061 + 50258062.

It is an arithmetic number, because the mean of its divisors is an integer number (50258062).

Almost surely, 2^100516123 is an apocalyptic number.

100516123 is a deficient number, since it is larger than the sum of its proper divisors (1).

100516123 is an equidigital number, since it uses as much as digits as its factorization.

100516123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 100516123 is about 10025.7729377839. The cubic root of 100516123 is about 464.9560570492.

The spelling of 100516123 in words is "one hundred million, five hundred sixteen thousand, one hundred twenty-three".