84315350123 has 2 divisors, whose sum is σ = 84315350124. Its totient is φ = 84315350122.

The previous prime is 84315350081. The next prime is 84315350131. The reversal of 84315350123 is 32105351348.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84315350123 - 2²⁸ = 84046914667 is a prime.

It is a super-2 number, since 2×84315350123² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84315350183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42157675061 + 42157675062.

It is an arithmetic number, because the mean of its divisors is an integer number (42157675062).

Almost surely, 2^84315350123 is an apocalyptic number.

84315350123 is a deficient number, since it is larger than the sum of its proper divisors (1).

84315350123 is an equidigital number, since it uses as much as digits as its factorization.

84315350123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 84315350123 in words is "eighty-four billion, three hundred fifteen million, three hundred fifty thousand, one hundred twenty-three".