1423312326445 has 8 divisors (see below), whose sum is σ = 1708017894144. Its totient is φ = 1138621126224.

The previous prime is 1423312326409. The next prime is 1423312326473. The reversal of 1423312326445 is 5446232133241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1423312326445 is a prime.

It is a super-2 number, since 2×1423312326445² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1423312326398 and 1423312326407.

It is a congruent 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 in 7 ways as a sum of consecutive naturals, for example, 3372709 + ... + 3771178.

It is an arithmetic number, because the mean of its divisors is an integer number (213502236768).

Almost surely, 2^{1423312326445} is an apocalyptic number.

It is an amenable number.

1423312326445 is a deficient number, since it is larger than the sum of its proper divisors (284705567699).

1423312326445 is an equidigital number, since it uses as much as digits as its factorization.

1423312326445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7183739.

The product of its digits is 414720, while the sum is 40.

Adding to 1423312326445 its reverse (5446232133241), we get a palindrome (6869544459686).

The spelling of 1423312326445 in words is "one trillion, four hundred twenty-three billion, three hundred twelve million, three hundred twenty-six thousand, four hundred forty-five".