16423040532 has 12 divisors (see below), whose sum is σ = 38320427936. Its totient is φ = 5474346840.

The previous prime is 16423040477. The next prime is 16423040537. The reversal of 16423040532 is 23504032461.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 16423040532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16423040537) 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, 684293344 + ... + 684293367.

Almost surely, 2^16423040532 is an apocalyptic number.

16423040532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16423040532 is an abundant number, since it is smaller than the sum of its proper divisors (21897387404).

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

16423040532 is a wasteful number, since it uses less digits than its factorization.

16423040532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368586718 (or 1368586716 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 16423040532 its reverse (23504032461), we get a palindrome (39927072993).

The spelling of 16423040532 in words is "sixteen billion, four hundred twenty-three million, forty thousand, five hundred thirty-two".