210423780115 has 32 divisors (see below), whose sum is σ = 265434537600. Its totient is φ = 159831361536.

The previous prime is 210423780097. The next prime is 210423780167. The reversal of 210423780115 is 511087324012.

210423780115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-210423780115 is a prime.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 33118779 + ... + 33125131.

It is an arithmetic number, because the mean of its divisors is an integer number (8294829300).

Almost surely, 2^210423780115 is an apocalyptic number.

210423780115 is a deficient number, since it is larger than the sum of its proper divisors (55010757485).

210423780115 is a wasteful number, since it uses less digits than its factorization.

210423780115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8463.

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 210423780115 in words is "two hundred ten billion, four hundred twenty-three million, seven hundred eighty thousand, one hundred fifteen".