23647386473 has 4 divisors (see below), whose sum is σ = 23971323348. Its totient is φ = 23323449600.

The previous prime is 23647386463. The next prime is 23647386583. The reversal of 23647386473 is 37468374632.

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 5851026064 + 17796360409 = 76492^2 + 133403^2 .

It is a cyclic number.

It is not a de Polignac number, because 23647386473 - 2¹⁶ = 23647320937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23647386403) 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, 161968328 + ... + 161968473.

It is an arithmetic number, because the mean of its divisors is an integer number (5992830837).

Almost surely, 2^23647386473 is an apocalyptic number.

It is an amenable number.

23647386473 is a deficient number, since it is larger than the sum of its proper divisors (323936875).

23647386473 is an equidigital number, since it uses as much as digits as its factorization.

23647386473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323936874.

The product of its digits is 12192768, while the sum is 53.

It can be divided in two parts, 2364 and 7386473, that added together give a palindrome (7388837).

The spelling of 23647386473 in words is "twenty-three billion, six hundred forty-seven million, three hundred eighty-six thousand, four hundred seventy-three".