13423029516 has 36 divisors (see below), whose sum is σ = 36540470512. Its totient is φ = 4130162784.

The previous prime is 13423029509. The next prime is 13423029533. The reversal of 13423029516 is 61592032431.

13423029516 is a `hidden beast` number, since 1 + 342 + 302 + 9 + 5 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14340376 + ... + 14341311.

Almost surely, 2^13423029516 is an apocalyptic number.

It is an amenable number.

13423029516 is an abundant number, since it is smaller than the sum of its proper divisors (23117440996).

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

13423029516 is a wasteful number, since it uses less digits than its factorization.

13423029516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28681710 (or 28681705 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 13423029516 in words is "thirteen billion, four hundred twenty-three million, twenty-nine thousand, five hundred sixteen".