427674523 has 2 divisors, whose sum is σ = 427674524. Its totient is φ = 427674522.

The previous prime is 427674493. The next prime is 427674547. The reversal of 427674523 is 325476724.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 427674523 - 2⁹ = 427674011 is a prime.

It is not a weakly prime, because it can be changed into another prime (427674563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213837261 + 213837262.

It is an arithmetic number, because the mean of its divisors is an integer number (213837262).

Almost surely, 2^427674523 is an apocalyptic number.

427674523 is a deficient number, since it is larger than the sum of its proper divisors (1).

427674523 is an equidigital number, since it uses as much as digits as its factorization.

427674523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 40.

The square root of 427674523 is about 20680.2931072072. The cubic root of 427674523 is about 753.4211251789.

The spelling of 427674523 in words is "four hundred twenty-seven million, six hundred seventy-four thousand, five hundred twenty-three".