16240005623 has 8 divisors (see below), whose sum is σ = 16951305696. Its totient is φ = 15529140000.

The previous prime is 16240005611. The next prime is 16240005631. The reversal of 16240005623 is 32650004261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16240005623 - 2¹⁴ = 16239989239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16240001623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31028 + ... + 182873.

It is an arithmetic number, because the mean of its divisors is an integer number (2118913212).

Almost surely, 2^16240005623 is an apocalyptic number.

16240005623 is a deficient number, since it is larger than the sum of its proper divisors (711300073).

16240005623 is a wasteful number, since it uses less digits than its factorization.

16240005623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217225.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 16240005623 its reverse (32650004261), we get a palindrome (48890009884).

The spelling of 16240005623 in words is "sixteen billion, two hundred forty million, five thousand, six hundred twenty-three".