654467923 has 2 divisors, whose sum is σ = 654467924. Its totient is φ = 654467922.

The previous prime is 654467909. The next prime is 654467927. The reversal of 654467923 is 329764456.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-654467923 is a prime.

It is not a weakly prime, because it can be changed into another prime (654467927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327233961 + 327233962.

It is an arithmetic number, because the mean of its divisors is an integer number (327233962).

Almost surely, 2^654467923 is an apocalyptic number.

654467923 is a deficient number, since it is larger than the sum of its proper divisors (1).

654467923 is an equidigital number, since it uses as much as digits as its factorization.

654467923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 46.

The square root of 654467923 is about 25582.5706878726. The cubic root of 654467923 is about 868.2193389610.

The spelling of 654467923 in words is "six hundred fifty-four million, four hundred sixty-seven thousand, nine hundred twenty-three".