23645441652 has 96 divisors (see below), whose sum is σ = 64451358720. Its totient is φ = 6607785600.

The previous prime is 23645441639. The next prime is 23645441669. The reversal of 23645441652 is 25614454632.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 693402 + ... + 726702.

It is an arithmetic number, because the mean of its divisors is an integer number (671368320).

Almost surely, 2^23645441652 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 23645441652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32225679360).

23645441652 is an abundant number, since it is smaller than the sum of its proper divisors (40805917068).

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

23645441652 is a wasteful number, since it uses less digits than its factorization.

23645441652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33501 (or 33499 counting only the distinct ones).

The product of its digits is 691200, while the sum is 42.

The spelling of 23645441652 in words is "twenty-three billion, six hundred forty-five million, four hundred forty-one thousand, six hundred fifty-two".