84108023 has 4 divisors (see below), whose sum is σ = 84320280. Its totient is φ = 83895768.

The previous prime is 84108019. The next prime is 84108029. The reversal of 84108023 is 32080148.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84108023 - 2² = 84108019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84107983 and 84108001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84108029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105533 + ... + 106326.

It is an arithmetic number, because the mean of its divisors is an integer number (21080070).

Almost surely, 2^84108023 is an apocalyptic number.

84108023 is a deficient number, since it is larger than the sum of its proper divisors (212257).

84108023 is a wasteful number, since it uses less digits than its factorization.

84108023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212256.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 84108023 is about 9171.0426342919. The cubic root of 84108023 is about 438.1395672210.

The spelling of 84108023 in words is "eighty-four million, one hundred eight thousand, twenty-three".