4140023423 has 2 divisors, whose sum is σ = 4140023424. Its totient is φ = 4140023422.

The previous prime is 4140023417. The next prime is 4140023473. The reversal of 4140023423 is 3243200414.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4140023423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4140023473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2070011711 + 2070011712.

It is an arithmetic number, because the mean of its divisors is an integer number (2070011712).

Almost surely, 2^4140023423 is an apocalyptic number.

4140023423 is a deficient number, since it is larger than the sum of its proper divisors (1).

4140023423 is an equidigital number, since it uses as much as digits as its factorization.

4140023423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 4140023423 is about 64343.0137854919. The cubic root of 4140023423 is about 1605.7118018475.

Adding to 4140023423 its reverse (3243200414), we get a palindrome (7383223837).

The spelling of 4140023423 in words is "four billion, one hundred forty million, twenty-three thousand, four hundred twenty-three".