216193214423 has 4 divisors (see below), whose sum is σ = 216194986800. Its totient is φ = 216191442048.

The previous prime is 216193214407. The next prime is 216193214437. The reversal of 216193214423 is 324412391612.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 216193214423 - 2⁴ = 216193214407 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 (216193214473) 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, 688523 + ... + 952076.

It is an arithmetic number, because the mean of its divisors is an integer number (54048746700).

Almost surely, 2^216193214423 is an apocalyptic number.

216193214423 is a deficient number, since it is larger than the sum of its proper divisors (1772377).

216193214423 is a wasteful number, since it uses less digits than its factorization.

216193214423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772376.

The product of its digits is 62208, while the sum is 38.

The spelling of 216193214423 in words is "two hundred sixteen billion, one hundred ninety-three million, two hundred fourteen thousand, four hundred twenty-three".