23442342661 has 4 divisors (see below), whose sum is σ = 24821304012. Its totient is φ = 22063381312.

The previous prime is 23442342659. The next prime is 23442342689. The reversal of 23442342661 is 16624324432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9666625761 + 13775716900 = 98319^2 + 117370^2 .

It is a cyclic number.

It is not a de Polignac number, because 23442342661 - 2¹ = 23442342659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23442342661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23442342641) 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, 689480650 + ... + 689480683.

It is an arithmetic number, because the mean of its divisors is an integer number (6205326003).

Almost surely, 2^23442342661 is an apocalyptic number.

It is an amenable number.

23442342661 is a deficient number, since it is larger than the sum of its proper divisors (1378961351).

23442342661 is a wasteful number, since it uses less digits than its factorization.

23442342661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378961350.

The product of its digits is 165888, while the sum is 37.

The spelling of 23442342661 in words is "twenty-three billion, four hundred forty-two million, three hundred forty-two thousand, six hundred sixty-one".