272123807 has 2 divisors, whose sum is σ = 272123808. Its totient is φ = 272123806.

The previous prime is 272123801. The next prime is 272123809. The reversal of 272123807 is 708321272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 272123807 - 2¹⁰ = 272122783 is a prime.

Together with 272123809, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272123801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136061903 + 136061904.

It is an arithmetic number, because the mean of its divisors is an integer number (136061904).

Almost surely, 2^272123807 is an apocalyptic number.

272123807 is a deficient number, since it is larger than the sum of its proper divisors (1).

272123807 is an equidigital number, since it uses as much as digits as its factorization.

272123807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 272123807 is about 16496.1755264667. The cubic root of 272123807 is about 648.0206508876.

The spelling of 272123807 in words is "two hundred seventy-two million, one hundred twenty-three thousand, eight hundred seven".