23443032661 has 4 divisors (see below), whose sum is σ = 23548158592. Its totient is φ = 23337906732.

The previous prime is 23443032659. The next prime is 23443032667. The reversal of 23443032661 is 16623034432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23443032661 - 2¹ = 23443032659 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 (23443032667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52562631 + ... + 52563076.

It is an arithmetic number, because the mean of its divisors is an integer number (5887039648).

Almost surely, 2^23443032661 is an apocalyptic number.

It is an amenable number.

23443032661 is a deficient number, since it is larger than the sum of its proper divisors (105125931).

23443032661 is a wasteful number, since it uses less digits than its factorization.

23443032661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105125930.

The product of its (nonzero) digits is 62208, while the sum is 34.

The spelling of 23443032661 in words is "twenty-three billion, four hundred forty-three million, thirty-two thousand, six hundred sixty-one".