84337401823 has 2 divisors, whose sum is σ = 84337401824. Its totient is φ = 84337401822.

The previous prime is 84337401791. The next prime is 84337401833. The reversal of 84337401823 is 32810473348.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84337401823 - 2⁵ = 84337401791 is a prime.

It is a super-2 number, since 2×84337401823² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84337401823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84337401833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42168700911 + 42168700912.

It is an arithmetic number, because the mean of its divisors is an integer number (42168700912).

Almost surely, 2^84337401823 is an apocalyptic number.

84337401823 is a deficient number, since it is larger than the sum of its proper divisors (1).

84337401823 is an equidigital number, since it uses as much as digits as its factorization.

84337401823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 84337401823 in words is "eighty-four billion, three hundred thirty-seven million, four hundred one thousand, eight hundred twenty-three".