27103123 has 2 divisors, whose sum is σ = 27103124. Its totient is φ = 27103122.

The previous prime is 27103103. The next prime is 27103127. The reversal of 27103123 is 32130172.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27103123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27103123.

It is not a weakly prime, because it can be changed into another prime (27103127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13551561 + 13551562.

It is an arithmetic number, because the mean of its divisors is an integer number (13551562).

Almost surely, 2^27103123 is an apocalyptic number.

27103123 is a deficient number, since it is larger than the sum of its proper divisors (1).

27103123 is an equidigital number, since it uses as much as digits as its factorization.

27103123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 27103123 is about 5206.0659811416. The cubic root of 27103123 is about 300.3814518132.

Adding to 27103123 its reverse (32130172), we get a palindrome (59233295).

The spelling of 27103123 in words is "twenty-seven million, one hundred three thousand, one hundred twenty-three".