23443003645 has 8 divisors (see below), whose sum is σ = 28174688856. Its totient is φ = 18725679936.

The previous prime is 23443003627. The next prime is 23443003651. The reversal of 23443003645 is 54630034432.

It can be written as a sum of positive squares in 4 ways, for example, as 361494169 + 23081509476 = 19013^2 + 151926^2 .

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 23443003645 - 2²¹ = 23440906493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23443003645.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3586782 + ... + 3593311.

It is an arithmetic number, because the mean of its divisors is an integer number (3521836107).

Almost surely, 2^23443003645 is an apocalyptic number.

It is an amenable number.

23443003645 is a deficient number, since it is larger than the sum of its proper divisors (4731685211).

23443003645 is an equidigital number, since it uses as much as digits as its factorization.

23443003645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7180751.

The product of its (nonzero) digits is 103680, while the sum is 34.

The spelling of 23443003645 in words is "twenty-three billion, four hundred forty-three million, three thousand, six hundred forty-five".