272140823 has 2 divisors, whose sum is σ = 272140824. Its totient is φ = 272140822.

The previous prime is 272140793. The next prime is 272140867. The reversal of 272140823 is 328041272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 272140823 - 2⁸ = 272140567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272140873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136070411 + 136070412.

It is an arithmetic number, because the mean of its divisors is an integer number (136070412).

Almost surely, 2^272140823 is an apocalyptic number.

272140823 is a deficient number, since it is larger than the sum of its proper divisors (1).

272140823 is an equidigital number, since it uses as much as digits as its factorization.

272140823 is an odious number, because the sum of its binary digits is odd.

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

The square root of 272140823 is about 16496.6912743132. The cubic root of 272140823 is about 648.0341575946.

The spelling of 272140823 in words is "two hundred seventy-two million, one hundred forty thousand, eight hundred twenty-three".