4185023 has 4 divisors (see below), whose sum is σ = 4194240. Its totient is φ = 4175808.

The previous prime is 4185007. The next prime is 4185029. The reversal of 4185023 is 3205814.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3205814 = 2 ⋅1602907.

It is a cyclic number.

It is not a de Polignac number, because 4185023 - 2⁴ = 4185007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4185023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4185029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3890 + ... + 4847.

It is an arithmetic number, because the mean of its divisors is an integer number (1048560).

Almost surely, 2^4185023 is an apocalyptic number.

4185023 is a deficient number, since it is larger than the sum of its proper divisors (9217).

4185023 is an equidigital number, since it uses as much as digits as its factorization.

4185023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9216.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 4185023 is about 2045.7328760129. The cubic root of 4185023 is about 161.1508558659.

The spelling of 4185023 in words is "four million, one hundred eighty-five thousand, twenty-three".