13623448787 has 24 divisors (see below), whose sum is σ = 14875176960. Its totient is φ = 12470970720.

The previous prime is 13623448781. The next prime is 13623448789. The reversal of 13623448787 is 78784432631.

It is not a de Polignac number, because 13623448787 - 2³⁰ = 12549706963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13623448781) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18947414 + ... + 18948132.

It is an arithmetic number, because the mean of its divisors is an integer number (619799040).

Almost surely, 2^13623448787 is an apocalyptic number.

13623448787 is a deficient number, since it is larger than the sum of its proper divisors (1251728173).

13623448787 is a wasteful number, since it uses less digits than its factorization.

13623448787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523 (or 1510 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 53.

The spelling of 13623448787 in words is "thirteen billion, six hundred twenty-three million, four hundred forty-eight thousand, seven hundred eighty-seven".