4147423 has 4 divisors (see below), whose sum is σ = 4739920. Its totient is φ = 3554928.

The previous prime is 4147417. The next prime is 4147457. The reversal of 4147423 is 3247414.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3247414 = 2 ⋅1623707.

It is a cyclic number.

It is not a de Polignac number, because 4147423 - 2⁵ = 4147391 is a prime.

It is a super-2 number, since 2×4147423² = 34402235081858, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4147483) 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, 296238 + ... + 296251.

It is an arithmetic number, because the mean of its divisors is an integer number (1184980).

Almost surely, 2^4147423 is an apocalyptic number.

4147423 is a deficient number, since it is larger than the sum of its proper divisors (592497).

4147423 is an equidigital number, since it uses as much as digits as its factorization.

4147423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592496.

The product of its digits is 2688, while the sum is 25.

The square root of 4147423 is about 2036.5222807522. The cubic root of 4147423 is about 160.6667876662. Note that the first 3 decimals are identical.

Subtracting from 4147423 its reverse (3247414), we obtain a palindrome (900009).

The spelling of 4147423 in words is "four million, one hundred forty-seven thousand, four hundred twenty-three".