4026438623 has 2 divisors, whose sum is σ = 4026438624. Its totient is φ = 4026438622.

The previous prime is 4026438617. The next prime is 4026438641. The reversal of 4026438623 is 3268346204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4026438623 - 2²⁴ = 4009661407 is a prime.

It is a super-2 number, since 2×4026438623² = 32424415969572272258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4026438683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2013219311 + 2013219312.

It is an arithmetic number, because the mean of its divisors is an integer number (2013219312).

Almost surely, 2^4026438623 is an apocalyptic number.

4026438623 is a deficient number, since it is larger than the sum of its proper divisors (1).

4026438623 is an equidigital number, since it uses as much as digits as its factorization.

4026438623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 38.

The square root of 4026438623 is about 63454.2246268915. The cubic root of 4026438623 is about 1590.8907661180.

It can be divided in two parts, 40264 and 38623, that added together give a palindrome (78887).

The spelling of 4026438623 in words is "four billion, twenty-six million, four hundred thirty-eight thousand, six hundred twenty-three".