1305423666002 has 8 divisors (see below), whose sum is σ = 1958183557500. Its totient is φ = 652695813504.

The previous prime is 1305423665981. The next prime is 1305423666067. The reversal of 1305423666002 is 2006663245031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1251218979241 + 54204686761 = 1118579^2 + 232819^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7907627 + ... + 8071022.

Almost surely, 2^{1305423666002} is an apocalyptic number.

1305423666002 is a deficient number, since it is larger than the sum of its proper divisors (652759891498).

1305423666002 is a wasteful number, since it uses less digits than its factorization.

1305423666002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16019500.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 1305423666002 in words is "one trillion, three hundred five billion, four hundred twenty-three million, six hundred sixty-six thousand, two".