272221100423 has 2 divisors, whose sum is σ = 272221100424. Its totient is φ = 272221100422.

The previous prime is 272221100401. The next prime is 272221100449. The reversal of 272221100423 is 324001122272.

It is an a-pointer prime, because the next prime (272221100449) can be obtained adding 272221100423 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 272221100423 - 2²² = 272216906119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 272221100392 and 272221100401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272221105423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136110550211 + 136110550212.

It is an arithmetic number, because the mean of its divisors is an integer number (136110550212).

Almost surely, 2^272221100423 is an apocalyptic number.

272221100423 is a deficient number, since it is larger than the sum of its proper divisors (1).

272221100423 is an equidigital number, since it uses as much as digits as its factorization.

272221100423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 272221100423 its reverse (324001122272), we get a palindrome (596222222695).

The spelling of 272221100423 in words is "two hundred seventy-two billion, two hundred twenty-one million, one hundred thousand, four hundred twenty-three".