4131623 has 2 divisors, whose sum is σ = 4131624. Its totient is φ = 4131622.

The previous prime is 4131613. The next prime is 4131637. The reversal of 4131623 is 3261314.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4131623 - 2⁸ = 4131367 is a prime.

It is a super-2 number, since 2×4131623² = 34140617228258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4131595 and 4131604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4131613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2065811 + 2065812.

It is an arithmetic number, because the mean of its divisors is an integer number (2065812).

Almost surely, 2^4131623 is an apocalyptic number.

4131623 is a deficient number, since it is larger than the sum of its proper divisors (1).

4131623 is an equidigital number, since it uses as much as digits as its factorization.

4131623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 20.

The square root of 4131623 is about 2032.6394171126. The cubic root of 4131623 is about 160.4625029267.

Adding to 4131623 its reverse (3261314), we get a palindrome (7392937).

The spelling of 4131623 in words is "four million, one hundred thirty-one thousand, six hundred twenty-three".