1264000423306 has 4 divisors (see below), whose sum is σ = 1896000634962. Its totient is φ = 632000211652.

The previous prime is 1264000423267. The next prime is 1264000423313. The reversal of 1264000423306 is 6033240004621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1136161996281 + 127838427025 = 1065909^2 + 357545^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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, 316000105825 + ... + 316000105828.

Almost surely, 2^{1264000423306} is an apocalyptic number.

1264000423306 is a deficient number, since it is larger than the sum of its proper divisors (632000211656).

1264000423306 is an equidigital number, since it uses as much as digits as its factorization.

1264000423306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632000211655.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 1264000423306 its reverse (6033240004621), we get a palindrome (7297240427927).

The spelling of 1264000423306 in words is "one trillion, two hundred sixty-four billion, four hundred twenty-three thousand, three hundred six".