8442523 has 8 divisors (see below), whose sum is σ = 9062928. Its totient is φ = 7835904.

The previous prime is 8442521. The next prime is 8442559. The reversal of 8442523 is 3252448.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8442523 - 2¹ = 8442521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8442491 and 8442500.

It is not an unprimeable number, because it can be changed into a prime (8442521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2161 + ... + 4642.

It is an arithmetic number, because the mean of its divisors is an integer number (1132866).

Almost surely, 2^8442523 is an apocalyptic number.

8442523 is a deficient number, since it is larger than the sum of its proper divisors (620405).

8442523 is a wasteful number, since it uses less digits than its factorization.

8442523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6893.

The product of its digits is 7680, while the sum is 28.

The square root of 8442523 is about 2905.6020030279. The cubic root of 8442523 is about 203.6217118074.

It can be divided in two parts, 84425 and 23, that added together give a palindrome (84448).

The spelling of 8442523 in words is "eight million, four hundred forty-two thousand, five hundred twenty-three".