23351644645 has 8 divisors (see below), whose sum is σ = 32025112704. Its totient is φ = 16012556304.

The previous prime is 23351644619. The next prime is 23351644649. The reversal of 23351644645 is 54644615332.

It is a happy number.

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 23351644645 - 2⁷ = 23351644517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23351644649) by changing a digit.

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, 333594889 + ... + 333594958.

It is an arithmetic number, because the mean of its divisors is an integer number (4003139088).

Almost surely, 2^23351644645 is an apocalyptic number.

It is an amenable number.

23351644645 is a deficient number, since it is larger than the sum of its proper divisors (8673468059).

23351644645 is an equidigital number, since it uses as much as digits as its factorization.

23351644645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667189859.

The product of its digits is 1036800, while the sum is 43.

The spelling of 23351644645 in words is "twenty-three billion, three hundred fifty-one million, six hundred forty-four thousand, six hundred forty-five".