127573123 has 2 divisors, whose sum is σ = 127573124. Its totient is φ = 127573122.

The previous prime is 127573081. The next prime is 127573169. The reversal of 127573123 is 321375721.

It is a weak prime.

It is an emirp because it is prime and its reverse (321375721) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127573123 is a prime.

It is not a weakly prime, because it can be changed into another prime (127573183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63786561 + 63786562.

It is an arithmetic number, because the mean of its divisors is an integer number (63786562).

Almost surely, 2^127573123 is an apocalyptic number.

127573123 is a deficient number, since it is larger than the sum of its proper divisors (1).

127573123 is an equidigital number, since it uses as much as digits as its factorization.

127573123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8820, while the sum is 31.

The square root of 127573123 is about 11294.8272673822. The cubic root of 127573123 is about 503.4075550484.

The spelling of 127573123 in words is "one hundred twenty-seven million, five hundred seventy-three thousand, one hundred twenty-three".