13623305641 has 4 divisors (see below), whose sum is σ = 14861787984. Its totient is φ = 12384823300.

The previous prime is 13623305629. The next prime is 13623305677. The reversal of 13623305641 is 14650332631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13623305641 - 2²⁵ = 13589751209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13623305597 and 13623305606.

It is not an unprimeable number, because it can be changed into a prime (13623305141) 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, 619241155 + ... + 619241176.

It is an arithmetic number, because the mean of its divisors is an integer number (3715446996).

Almost surely, 2^13623305641 is an apocalyptic number.

13623305641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13623305641 is a deficient number, since it is larger than the sum of its proper divisors (1238482343).

13623305641 is a wasteful number, since it uses less digits than its factorization.

13623305641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238482342.

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

The spelling of 13623305641 in words is "thirteen billion, six hundred twenty-three million, three hundred five thousand, six hundred forty-one".