4149423 has 12 divisors (see below), whose sum is σ = 6107400. Its totient is φ = 2713776.

The previous prime is 4149413. The next prime is 4149427. The reversal of 4149423 is 3249414.

It is not a de Polignac number, because 4149423 - 2⁶ = 4149359 is a prime.

It is a super-2 number, since 2×4149423² = 34435422465858, which contains 22 as substring.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4149427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3873 + ... + 4826.

It is an arithmetic number, because the mean of its divisors is an integer number (508950).

Almost surely, 2^4149423 is an apocalyptic number.

4149423 is a deficient number, since it is larger than the sum of its proper divisors (1957977).

4149423 is a wasteful number, since it uses less digits than its factorization.

4149423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8758 (or 8755 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 4149423 is about 2037.0132547433. The cubic root of 4149423 is about 160.6926094787.

Subtracting from 4149423 its reverse (3249414), we obtain a palindrome (900009).

The spelling of 4149423 in words is "four million, one hundred forty-nine thousand, four hundred twenty-three".