84148223 has 4 divisors (see below), whose sum is σ = 84705648. Its totient is φ = 83590800.

The previous prime is 84148213. The next prime is 84148231. The reversal of 84148223 is 32284148.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84148223 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 84148223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84148213) 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, 278486 + ... + 278787.

It is an arithmetic number, because the mean of its divisors is an integer number (21176412).

Almost surely, 2^84148223 is an apocalyptic number.

84148223 is a deficient number, since it is larger than the sum of its proper divisors (557425).

84148223 is a wasteful number, since it uses less digits than its factorization.

84148223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557424.

The product of its digits is 12288, while the sum is 32.

The square root of 84148223 is about 9173.2340534841. The cubic root of 84148223 is about 438.2093600288.

The spelling of 84148223 in words is "eighty-four million, one hundred forty-eight thousand, two hundred twenty-three".