127280423 has 4 divisors (see below), whose sum is σ = 127665288. Its totient is φ = 126895560.

The previous prime is 127280399. The next prime is 127280437. The reversal of 127280423 is 324082721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 127280423 - 2¹⁶ = 127214887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127280453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191936 + ... + 192597.

It is an arithmetic number, because the mean of its divisors is an integer number (31916322).

Almost surely, 2^127280423 is an apocalyptic number.

127280423 is a deficient number, since it is larger than the sum of its proper divisors (384865).

127280423 is an equidigital number, since it uses as much as digits as its factorization.

127280423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384864.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 127280423 is about 11281.8625678564. The cubic root of 127280423 is about 503.0222590927.

The spelling of 127280423 in words is "one hundred twenty-seven million, two hundred eighty thousand, four hundred twenty-three".