23435646784 has 56 divisors (see below), whose sum is σ = 50843602656. Its totient is φ = 10629312000.

The previous prime is 23435646743. The next prime is 23435646797. The reversal of 23435646784 is 48764653432.

It is a happy number.

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, 288439 + ... + 360649.

It is an arithmetic number, because the mean of its divisors is an integer number (907921476).

Almost surely, 2^23435646784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23435646784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25421801328).

23435646784 is an abundant number, since it is smaller than the sum of its proper divisors (27407955872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23435646784 is a wasteful number, since it uses less digits than its factorization.

23435646784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72695 (or 72685 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 52.

The spelling of 23435646784 in words is "twenty-three billion, four hundred thirty-five million, six hundred forty-six thousand, seven hundred eighty-four".