272288623 has 2 divisors, whose sum is σ = 272288624. Its totient is φ = 272288622.

The previous prime is 272288591. The next prime is 272288633. The reversal of 272288623 is 326882272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 272288623 - 2⁵ = 272288591 is a prime.

It is a super-2 number, since 2×272288623² = 148282188430472258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272288633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136144311 + 136144312.

It is an arithmetic number, because the mean of its divisors is an integer number (136144312).

Almost surely, 2^272288623 is an apocalyptic number.

272288623 is a deficient number, since it is larger than the sum of its proper divisors (1).

272288623 is an equidigital number, since it uses as much as digits as its factorization.

272288623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 40.

The square root of 272288623 is about 16501.1703524326. The cubic root of 272288623 is about 648.1514523997.

The spelling of 272288623 in words is "two hundred seventy-two million, two hundred eighty-eight thousand, six hundred twenty-three".