84124949723 has 2 divisors, whose sum is σ = 84124949724. Its totient is φ = 84124949722.

The previous prime is 84124949719. The next prime is 84124949743. The reversal of 84124949723 is 32794942148.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84124949723 - 2² = 84124949719 is a prime.

It is not a weakly prime, because it can be changed into another prime (84124949743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42062474861 + 42062474862.

It is an arithmetic number, because the mean of its divisors is an integer number (42062474862).

Almost surely, 2^84124949723 is an apocalyptic number.

84124949723 is a deficient number, since it is larger than the sum of its proper divisors (1).

84124949723 is an equidigital number, since it uses as much as digits as its factorization.

84124949723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 53.

The spelling of 84124949723 in words is "eighty-four billion, one hundred twenty-four million, nine hundred forty-nine thousand, seven hundred twenty-three".