100155323 has 2 divisors, whose sum is σ = 100155324. Its totient is φ = 100155322.

The previous prime is 100155301. The next prime is 100155359. The reversal of 100155323 is 323551001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100155323 - 2⁶ = 100155259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100155295 and 100155304.

It is not a weakly prime, because it can be changed into another prime (100155383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50077661 + 50077662.

It is an arithmetic number, because the mean of its divisors is an integer number (50077662).

Almost surely, 2^100155323 is an apocalyptic number.

100155323 is a deficient number, since it is larger than the sum of its proper divisors (1).

100155323 is an equidigital number, since it uses as much as digits as its factorization.

100155323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 100155323 is about 10007.7631366854. The cubic root of 100155323 is about 464.3990742144.

The spelling of 100155323 in words is "one hundred million, one hundred fifty-five thousand, three hundred twenty-three".