9139276423 has 2 divisors, whose sum is σ = 9139276424. Its totient is φ = 9139276422.

The previous prime is 9139276403. The next prime is 9139276453. The reversal of 9139276423 is 3246729319.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9139276423 - 2⁹ = 9139275911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9139276403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4569638211 + 4569638212.

It is an arithmetic number, because the mean of its divisors is an integer number (4569638212).

Almost surely, 2^9139276423 is an apocalyptic number.

9139276423 is a deficient number, since it is larger than the sum of its proper divisors (1).

9139276423 is an equidigital number, since it uses as much as digits as its factorization.

9139276423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 46.

The square root of 9139276423 is about 95599.5628807998. The cubic root of 9139276423 is about 2090.7588205584.

The spelling of 9139276423 in words is "nine billion, one hundred thirty-nine million, two hundred seventy-six thousand, four hundred twenty-three".