127040423 has 2 divisors, whose sum is σ = 127040424. Its totient is φ = 127040422.

The previous prime is 127040411. The next prime is 127040429. The reversal of 127040423 is 324040721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 127040423 - 2⁶ = 127040359 is a prime.

It is a super-2 number, since 2×127040423² = 32278538152037858, which contains 22 as substring.

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 (127040429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63520211 + 63520212.

It is an arithmetic number, because the mean of its divisors is an integer number (63520212).

Almost surely, 2^127040423 is an apocalyptic number.

127040423 is a deficient number, since it is larger than the sum of its proper divisors (1).

127040423 is an equidigital number, since it uses as much as digits as its factorization.

127040423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 127040423 is about 11271.2210075040. The cubic root of 127040423 is about 502.7058938606.

The spelling of 127040423 in words is "one hundred twenty-seven million, forty thousand, four hundred twenty-three".