23980454661 has 8 divisors (see below), whose sum is σ = 32378673280. Its totient is φ = 15784602912.

The previous prime is 23980454653. The next prime is 23980454671. The reversal of 23980454661 is 16645408932.

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

It is not a de Polignac number, because 23980454661 - 2³ = 23980454653 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 23980454661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23980454671) 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, 50591440 + ... + 50591913.

It is an arithmetic number, because the mean of its divisors is an integer number (4047334160).

Almost surely, 2^23980454661 is an apocalyptic number.

It is an amenable number.

23980454661 is a deficient number, since it is larger than the sum of its proper divisors (8398218619).

23980454661 is a wasteful number, since it uses less digits than its factorization.

23980454661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101183435.

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 23980454661 in words is "twenty-three billion, nine hundred eighty million, four hundred fifty-four thousand, six hundred sixty-one".