23187216446 has 8 divisors (see below), whose sum is σ = 35257274544. Its totient is φ = 11434791600.

The previous prime is 23187216443. The next prime is 23187216461. The reversal of 23187216446 is 64461278132.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 23187216397 and 23187216406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23187216443) 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, 79408130 + ... + 79408421.

It is an arithmetic number, because the mean of its divisors is an integer number (4407159318).

Almost surely, 2^23187216446 is an apocalyptic number.

23187216446 is a deficient number, since it is larger than the sum of its proper divisors (12070058098).

23187216446 is a wasteful number, since it uses less digits than its factorization.

23187216446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158816626.

The product of its digits is 387072, while the sum is 44.

The spelling of 23187216446 in words is "twenty-three billion, one hundred eighty-seven million, two hundred sixteen thousand, four hundred forty-six".