7138265423 has 2 divisors, whose sum is σ = 7138265424. Its totient is φ = 7138265422.

The previous prime is 7138265417. The next prime is 7138265467. The reversal of 7138265423 is 3245628317.

7138265423 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7138265423 - 2¹⁴ = 7138249039 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7138265723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3569132711 + 3569132712.

It is an arithmetic number, because the mean of its divisors is an integer number (3569132712).

Almost surely, 2^7138265423 is an apocalyptic number.

7138265423 is a deficient number, since it is larger than the sum of its proper divisors (1).

7138265423 is an equidigital number, since it uses as much as digits as its factorization.

7138265423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 41.

The square root of 7138265423 is about 84488.2561247420. The cubic root of 7138265423 is about 1925.4440240022. Note that the first 3 decimals are identical.

The spelling of 7138265423 in words is "seven billion, one hundred thirty-eight million, two hundred sixty-five thousand, four hundred twenty-three".