272491423 has 2 divisors, whose sum is σ = 272491424. Its totient is φ = 272491422.

The previous prime is 272491409. The next prime is 272491459. The reversal of 272491423 is 324194272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 272491423 - 2²⁵ = 238936991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272491223) 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, 136245711 + 136245712.

It is an arithmetic number, because the mean of its divisors is an integer number (136245712).

Almost surely, 2^272491423 is an apocalyptic number.

272491423 is a deficient number, since it is larger than the sum of its proper divisors (1).

272491423 is an equidigital number, since it uses as much as digits as its factorization.

272491423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 34.

The square root of 272491423 is about 16507.3142273357. The cubic root of 272491423 is about 648.3123264180.

The spelling of 272491423 in words is "two hundred seventy-two million, four hundred ninety-one thousand, four hundred twenty-three".