27620023 has 2 divisors, whose sum is σ = 27620024. Its totient is φ = 27620022.

The previous prime is 27620011. The next prime is 27620041. The reversal of 27620023 is 32002672.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27620023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27619976 and 27620003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27620003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13810011 + 13810012.

It is an arithmetic number, because the mean of its divisors is an integer number (13810012).

Almost surely, 2^27620023 is an apocalyptic number.

27620023 is a deficient number, since it is larger than the sum of its proper divisors (1).

27620023 is an equidigital number, since it uses as much as digits as its factorization.

27620023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 27620023 is about 5255.4755255828. The cubic root of 27620023 is about 302.2790244652.

Adding to 27620023 its reverse (32002672), we get a palindrome (59622695).

The spelling of 27620023 in words is "twenty-seven million, six hundred twenty thousand, twenty-three".