84744523 has 2 divisors, whose sum is σ = 84744524. Its totient is φ = 84744522.

The previous prime is 84744521. The next prime is 84744551. The reversal of 84744523 is 32544748.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84744523 - 2¹ = 84744521 is a prime.

Together with 84744521, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (84744521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42372261 + 42372262.

It is an arithmetic number, because the mean of its divisors is an integer number (42372262).

Almost surely, 2^84744523 is an apocalyptic number.

84744523 is a deficient number, since it is larger than the sum of its proper divisors (1).

84744523 is an equidigital number, since it uses as much as digits as its factorization.

84744523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 37.

The square root of 84744523 is about 9205.6788451477. The cubic root of 84744523 is about 439.2420197150.

The spelling of 84744523 in words is "eighty-four million, seven hundred forty-four thousand, five hundred twenty-three".