27242923 has 2 divisors, whose sum is σ = 27242924. Its totient is φ = 27242922.

The previous prime is 27242911. The next prime is 27242927. The reversal of 27242923 is 32924272.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27242923 is a prime.

It is not a weakly prime, because it can be changed into another prime (27242927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13621461 + 13621462.

It is an arithmetic number, because the mean of its divisors is an integer number (13621462).

Almost surely, 2^27242923 is an apocalyptic number.

27242923 is a deficient number, since it is larger than the sum of its proper divisors (1).

27242923 is an equidigital number, since it uses as much as digits as its factorization.

27242923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 31.

The square root of 27242923 is about 5219.4753567768. The cubic root of 27242923 is about 300.8970299325.

The spelling of 27242923 in words is "twenty-seven million, two hundred forty-two thousand, nine hundred twenty-three".