16423106215 has 8 divisors (see below), whose sum is σ = 19720378080. Its totient is φ = 13130051232.

The previous prime is 16423106153. The next prime is 16423106257. The reversal of 16423106215 is 51260132461.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 16423106215 - 2⁹ = 16423105703 is a prime.

It is a super-4 number, since 4×16423106215⁴ (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1045644 + ... + 1061233.

It is an arithmetic number, because the mean of its divisors is an integer number (2465047260).

Almost surely, 2^16423106215 is an apocalyptic number.

16423106215 is a deficient number, since it is larger than the sum of its proper divisors (3297271865).

16423106215 is a wasteful number, since it uses less digits than its factorization.

16423106215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108441.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 16423106215 its reverse (51260132461), we get a palindrome (67683238676).

The spelling of 16423106215 in words is "sixteen billion, four hundred twenty-three million, one hundred six thousand, two hundred fifteen".