1264000423305 has 8 divisors (see below), whose sum is σ = 2022400677312. Its totient is φ = 674133559088.

The previous prime is 1264000423267. The next prime is 1264000423313. The reversal of 1264000423305 is 5033240004621.

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

It is a cyclic number.

It is not a de Polignac number, because 1264000423305 - 2¹⁸ = 1264000161161 is a prime.

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 in 7 ways as a sum of consecutive naturals, for example, 42133347429 + ... + 42133347458.

It is an arithmetic number, because the mean of its divisors is an integer number (252800084664).

Almost surely, 2^{1264000423305} is an apocalyptic number.

1264000423305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1264000423305 is a deficient number, since it is larger than the sum of its proper divisors (758400254007).

1264000423305 is an equidigital number, since it uses as much as digits as its factorization.

1264000423305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84266694895.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 1264000423305 its reverse (5033240004621), we get a palindrome (6297240427926).

The spelling of 1264000423305 in words is "one trillion, two hundred sixty-four billion, four hundred twenty-three thousand, three hundred five".