84080400023 has 2 divisors, whose sum is σ = 84080400024. Its totient is φ = 84080400022.

The previous prime is 84080399999. The next prime is 84080400037. The reversal of 84080400023 is 32000408048.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84080400023 - 2²⁸ = 83811964567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84080450023) 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, 42040200011 + 42040200012.

It is an arithmetic number, because the mean of its divisors is an integer number (42040200012).

Almost surely, 2^84080400023 is an apocalyptic number.

84080400023 is a deficient number, since it is larger than the sum of its proper divisors (1).

84080400023 is an equidigital number, since it uses as much as digits as its factorization.

84080400023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 29.

The spelling of 84080400023 in words is "eighty-four billion, eighty million, four hundred thousand, twenty-three".