27423934723 has 2 divisors, whose sum is σ = 27423934724. Its totient is φ = 27423934722.

The previous prime is 27423934621. The next prime is 27423934739. The reversal of 27423934723 is 32743932472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27423934723 - 2⁹ = 27423934211 is a prime.

It is not a weakly prime, because it can be changed into another prime (27423934763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13711967361 + 13711967362.

It is an arithmetic number, because the mean of its divisors is an integer number (13711967362).

Almost surely, 2^27423934723 is an apocalyptic number.

27423934723 is a deficient number, since it is larger than the sum of its proper divisors (1).

27423934723 is an equidigital number, since it uses as much as digits as its factorization.

27423934723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 46.

The spelling of 27423934723 in words is "twenty-seven billion, four hundred twenty-three million, nine hundred thirty-four thousand, seven hundred twenty-three".