84127000523 has 2 divisors, whose sum is σ = 84127000524. Its totient is φ = 84127000522.

The previous prime is 84127000519. The next prime is 84127000553. The reversal of 84127000523 is 32500072148.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84127000523 - 2² = 84127000519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84127000523.

It is not a weakly prime, because it can be changed into another prime (84127000553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42063500261 + 42063500262.

It is an arithmetic number, because the mean of its divisors is an integer number (42063500262).

Almost surely, 2^84127000523 is an apocalyptic number.

84127000523 is a deficient number, since it is larger than the sum of its proper divisors (1).

84127000523 is an equidigital number, since it uses as much as digits as its factorization.

84127000523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 84127000523 in words is "eighty-four billion, one hundred twenty-seven million, five hundred twenty-three", and thus it is an aban number.