84711223 has 2 divisors, whose sum is σ = 84711224. Its totient is φ = 84711222.

The previous prime is 84711191. The next prime is 84711227. The reversal of 84711223 is 32211748.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84711223 - 2⁵ = 84711191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84711191 and 84711200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84711227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42355611 + 42355612.

It is an arithmetic number, because the mean of its divisors is an integer number (42355612).

Almost surely, 2^84711223 is an apocalyptic number.

84711223 is a deficient number, since it is larger than the sum of its proper divisors (1).

84711223 is an equidigital number, since it uses as much as digits as its factorization.

84711223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 28.

The square root of 84711223 is about 9203.8700012549. The cubic root of 84711223 is about 439.1844794162.

The spelling of 84711223 in words is "eighty-four million, seven hundred eleven thousand, two hundred twenty-three".