5478668423 has 2 divisors, whose sum is σ = 5478668424. Its totient is φ = 5478668422.

The previous prime is 5478668401. The next prime is 5478668441. The reversal of 5478668423 is 3248668745.

It is a happy number.

5478668423 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5478668423 - 2¹⁶ = 5478602887 is a prime.

It is a super-3 number, since 3×5478668423³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5478668443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2739334211 + 2739334212.

It is an arithmetic number, because the mean of its divisors is an integer number (2739334212).

Almost surely, 2^5478668423 is an apocalyptic number.

5478668423 is a deficient number, since it is larger than the sum of its proper divisors (1).

5478668423 is an equidigital number, since it uses as much as digits as its factorization.

5478668423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7741440, while the sum is 53.

The square root of 5478668423 is about 74018.0276892056. The cubic root of 5478668423 is about 1762.8891534979.

The spelling of 5478668423 in words is "five billion, four hundred seventy-eight million, six hundred sixty-eight thousand, four hundred twenty-three".