272157623 has 2 divisors, whose sum is σ = 272157624. Its totient is φ = 272157622.

The previous prime is 272157583. The next prime is 272157671. The reversal of 272157623 is 326751272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 272157623 - 2¹⁶ = 272092087 is a prime.

It is equal to p_14822279 and since 272157623 and 14822279 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272157673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136078811 + 136078812.

It is an arithmetic number, because the mean of its divisors is an integer number (136078812).

Almost surely, 2^272157623 is an apocalyptic number.

272157623 is a deficient number, since it is larger than the sum of its proper divisors (1).

272157623 is an equidigital number, since it uses as much as digits as its factorization.

272157623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 35.

The square root of 272157623 is about 16497.2004594719. The cubic root of 272157623 is about 648.0474922960.

The spelling of 272157623 in words is "two hundred seventy-two million, one hundred fifty-seven thousand, six hundred twenty-three".