84791123 has 2 divisors, whose sum is σ = 84791124. Its totient is φ = 84791122.

The previous prime is 84791071. The next prime is 84791153. The reversal of 84791123 is 32119748.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84791123 - 2¹⁰ = 84790099 is a prime.

It is a super-2 number, since 2×84791123² = 14379069079202258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84791153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42395561 + 42395562.

It is an arithmetic number, because the mean of its divisors is an integer number (42395562).

Almost surely, 2^84791123 is an apocalyptic number.

84791123 is a deficient number, since it is larger than the sum of its proper divisors (1).

84791123 is an equidigital number, since it uses as much as digits as its factorization.

84791123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 84791123 is about 9208.2095436627. The cubic root of 84791123 is about 439.3225162738.

The spelling of 84791123 in words is "eighty-four million, seven hundred ninety-one thousand, one hundred twenty-three".