2123471 has 8 divisors (see below), whose sum is σ = 2467104. Its totient is φ = 1789920.

The previous prime is 2123461. The next prime is 2123479. The reversal of 2123471 is 1743212.

2123471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2123471 - 2¹⁴ = 2107087 is a prime.

It is a super-3 number, since 3×2123471³ = 28725014559860448333, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2060 + ... + 2913.

It is an arithmetic number, because the mean of its divisors is an integer number (308388).

2^2123471 is an apocalyptic number.

2123471 is a deficient number, since it is larger than the sum of its proper divisors (343633).

2123471 is an equidigital number, since it uses as much as digits as its factorization.

2123471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041.

The product of its digits is 336, while the sum is 20.

The square root of 2123471 is about 1457.2134366660. The cubic root of 2123471 is about 128.5332369222.

Adding to 2123471 its reverse (1743212), we get a palindrome (3866683).

The spelling of 2123471 in words is "two million, one hundred twenty-three thousand, four hundred seventy-one".