84423157 has 8 divisors (see below), whose sum is σ = 103905536. Its totient is φ = 66796272.

The previous prime is 84423151. The next prime is 84423161. The reversal of 84423157 is 75132448.

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 84423157 - 2⁷ = 84423029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84423151) 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, 463773 + ... + 463954.

It is an arithmetic number, because the mean of its divisors is an integer number (12988192).

Almost surely, 2^84423157 is an apocalyptic number.

It is an amenable number.

84423157 is a deficient number, since it is larger than the sum of its proper divisors (19482379).

84423157 is a wasteful number, since it uses less digits than its factorization.

84423157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927747.

The product of its digits is 26880, while the sum is 34.

The square root of 84423157 is about 9188.2074965686. The cubic root of 84423157 is about 438.6860889638.

The spelling of 84423157 in words is "eighty-four million, four hundred twenty-three thousand, one hundred fifty-seven".