84123041 has 2 divisors, whose sum is σ = 84123042. Its totient is φ = 84123040.

The previous prime is 84123037. The next prime is 84123043. The reversal of 84123041 is 14032148.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82174225 + 1948816 = 9065^2 + 1396^2 .

It is a cyclic number.

It is not a de Polignac number, because 84123041 - 2² = 84123037 is a prime.

Together with 84123043, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 84122998 and 84123016.

It is not a weakly prime, because it can be changed into another prime (84123043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42061520 + 42061521.

It is an arithmetic number, because the mean of its divisors is an integer number (42061521).

Almost surely, 2^84123041 is an apocalyptic number.

It is an amenable number.

84123041 is a deficient number, since it is larger than the sum of its proper divisors (1).

84123041 is an equidigital number, since it uses as much as digits as its factorization.

84123041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 84123041 is about 9171.8613705180. The cubic root of 84123041 is about 438.1656431656.

Adding to 84123041 its reverse (14032148), we get a palindrome (98155189).

The spelling of 84123041 in words is "eighty-four million, one hundred twenty-three thousand, forty-one".