13623035556 has 48 divisors (see below), whose sum is σ = 34266171968. Its totient is φ = 4187548800.

The previous prime is 13623035483. The next prime is 13623035567. The reversal of 13623035556 is 65553032631.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116511 + ... + 202041.

Almost surely, 2^13623035556 is an apocalyptic number.

It is an amenable number.

13623035556 is an abundant number, since it is smaller than the sum of its proper divisors (20643136412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13623035556 is a wasteful number, since it uses less digits than its factorization.

13623035556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86572 (or 86570 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 39.

The spelling of 13623035556 in words is "thirteen billion, six hundred twenty-three million, thirty-five thousand, five hundred fifty-six".