23977443193 has 8 divisors (see below), whose sum is σ = 26158672800. Its totient is φ = 21796457280.

The previous prime is 23977443173. The next prime is 23977443199. The reversal of 23977443193 is 39134477932.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23977443193 is a prime.

It is a super-3 number, since 3×23977443193³ (a number of 32 digits) contains 333 as substring.

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 23977443193.

It is not an unprimeable number, because it can be changed into a prime (23977443199) 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, 189633 + ... + 289681.

It is an arithmetic number, because the mean of its divisors is an integer number (3269834100).

Almost surely, 2^23977443193 is an apocalyptic number.

It is an amenable number.

23977443193 is a deficient number, since it is larger than the sum of its proper divisors (2181229607).

23977443193 is a wasteful number, since it uses less digits than its factorization.

23977443193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121847.

The product of its digits is 3429216, while the sum is 52.

The spelling of 23977443193 in words is "twenty-three billion, nine hundred seventy-seven million, four hundred forty-three thousand, one hundred ninety-three".