127649323 has 2 divisors, whose sum is σ = 127649324. Its totient is φ = 127649322.

The previous prime is 127649317. The next prime is 127649341. The reversal of 127649323 is 323946721.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127649323 is a prime.

It is not a weakly prime, because it can be changed into another prime (127649383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63824661 + 63824662.

It is an arithmetic number, because the mean of its divisors is an integer number (63824662).

Almost surely, 2^127649323 is an apocalyptic number.

127649323 is a deficient number, since it is larger than the sum of its proper divisors (1).

127649323 is an equidigital number, since it uses as much as digits as its factorization.

127649323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 37.

The square root of 127649323 is about 11298.1999893788. The cubic root of 127649323 is about 503.5077642980.

The spelling of 127649323 in words is "one hundred twenty-seven million, six hundred forty-nine thousand, three hundred twenty-three".