23442561993 has 8 divisors (see below), whose sum is σ = 31257668800. Its totient is φ = 15627914928.

The previous prime is 23442561971. The next prime is 23442562001. The reversal of 23442561993 is 39916524432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23442561993 - 2²⁴ = 23425784777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23442561943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30243 + ... + 218631.

It is an arithmetic number, because the mean of its divisors is an integer number (3907208600).

Almost surely, 2^23442561993 is an apocalyptic number.

It is an amenable number.

23442561993 is a deficient number, since it is larger than the sum of its proper divisors (7815106807).

23442561993 is a wasteful number, since it uses less digits than its factorization.

23442561993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229871.

The product of its digits is 1399680, while the sum is 48.

The spelling of 23442561993 in words is "twenty-three billion, four hundred forty-two million, five hundred sixty-one thousand, nine hundred ninety-three".