2175423 has 16 divisors (see below), whose sum is σ = 3002880. Its totient is φ = 1400256.

The previous prime is 2175391. The next prime is 2175431. The reversal of 2175423 is 3245712.

It is not a de Polignac number, because 2175423 - 2⁵ = 2175391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2175393 and 2175402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2175023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15811 + ... + 15947.

It is an arithmetic number, because the mean of its divisors is an integer number (187680).

2^2175423 is an apocalyptic number.

2175423 is a deficient number, since it is larger than the sum of its proper divisors (827457).

2175423 is a wasteful number, since it uses less digits than its factorization.

2175423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286.

The product of its digits is 1680, while the sum is 24.

The square root of 2175423 is about 1474.9315238342. The cubic root of 2175423 is about 129.5730172640.

The spelling of 2175423 in words is "two million, one hundred seventy-five thousand, four hundred twenty-three".