23243566435621 has 8 divisors (see below), whose sum is σ = 27719035749504. Its totient is φ = 19056837077520.

The previous prime is 23243566435619. The next prime is 23243566435631. The reversal of 23243566435621 is 12653466534232.

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 23243566435621 - 2¹ = 23243566435619 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 (23243566435631) by changing a digit.

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, 72184988770 + ... + 72184989091.

It is an arithmetic number, because the mean of its divisors is an integer number (3464879468688).

Almost surely, 2^{23243566435621} is an apocalyptic number.

It is an amenable number.

23243566435621 is a deficient number, since it is larger than the sum of its proper divisors (4475469313883).

23243566435621 is a wasteful number, since it uses less digits than its factorization.

23243566435621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144369977891.

The product of its digits is 18662400, while the sum is 52.

The spelling of 23243566435621 in words is "twenty-three trillion, two hundred forty-three billion, five hundred sixty-six million, four hundred thirty-five thousand, six hundred twenty-one".