84457623 has 8 divisors (see below), whose sum is σ = 113432688. Its totient is φ = 55893824.

The previous prime is 84457621. The next prime is 84457627. The reversal of 84457623 is 32675448.

It is a happy number.

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 84457623 - 2¹ = 84457621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84457621) 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, 102336 + ... + 103157.

It is an arithmetic number, because the mean of its divisors is an integer number (14179086).

Almost surely, 2^84457623 is an apocalyptic number.

84457623 is a deficient number, since it is larger than the sum of its proper divisors (28975065).

84457623 is a wasteful number, since it uses less digits than its factorization.

84457623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205633.

The product of its digits is 161280, while the sum is 39.

The square root of 84457623 is about 9190.0828614328. The cubic root of 84457623 is about 438.7457791333.

The spelling of 84457623 in words is "eighty-four million, four hundred fifty-seven thousand, six hundred twenty-three".