12653006623 has 4 divisors (see below), whose sum is σ = 13318954360. Its totient is φ = 11987058888.

The previous prime is 12653006621. The next prime is 12653006659. The reversal of 12653006623 is 32660035621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12653006623 - 2¹ = 12653006621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12653006621) 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, 332973840 + ... + 332973877.

It is an arithmetic number, because the mean of its divisors is an integer number (3329738590).

Almost surely, 2^12653006623 is an apocalyptic number.

12653006623 is a deficient number, since it is larger than the sum of its proper divisors (665947737).

12653006623 is an equidigital number, since it uses as much as digits as its factorization.

12653006623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665947736.

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 12653006623 in words is "twelve billion, six hundred fifty-three million, six thousand, six hundred twenty-three".