4057623 has 6 divisors (see below), whose sum is σ = 5861024. Its totient is φ = 2705076.

The previous prime is 4057601. The next prime is 4057631. The reversal of 4057623 is 3267504.

It is a happy number.

It is not a de Polignac number, because 4057623 - 2⁹ = 4057111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4057633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 225415 + ... + 225432.

Almost surely, 2^4057623 is an apocalyptic number.

4057623 is a deficient number, since it is larger than the sum of its proper divisors (1803401).

4057623 is a wasteful number, since it uses less digits than its factorization.

4057623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450853 (or 450850 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 4057623 is about 2014.3542389560. The cubic root of 4057623 is about 159.4987306759.

The spelling of 4057623 in words is "four million, fifty-seven thousand, six hundred twenty-three".