4013423 has 2 divisors, whose sum is σ = 4013424. Its totient is φ = 4013422.

The previous prime is 4013419. The next prime is 4013441. The reversal of 4013423 is 3243104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4013423 - 2² = 4013419 is a prime.

It is a super-2 number, since 2×4013423² = 32215128353858, which contains 22 as substring.

It is equal to p₂₈₄₀₃₀ and since 4013423 and 284030 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4013473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006711 + 2006712.

It is an arithmetic number, because the mean of its divisors is an integer number (2006712).

Almost surely, 2^4013423 is an apocalyptic number.

4013423 is a deficient number, since it is larger than the sum of its proper divisors (1).

4013423 is an equidigital number, since it uses as much as digits as its factorization.

4013423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 4013423 is about 2003.3529394493. The cubic root of 4013423 is about 158.9174709821.

Adding to 4013423 its reverse (3243104), we get a palindrome (7256527).

The spelling of 4013423 in words is "four million, thirteen thousand, four hundred twenty-three".