214643616523 has 8 divisors (see below), whose sum is σ = 245352519648. Its totient is φ = 183946095744.

The previous prime is 214643616491. The next prime is 214643616553. The reversal of 214643616523 is 325616346412.

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 214643616523 - 2⁵ = 214643616491 is a prime.

It is a super-2 number, since 2×214643616523² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214643616523.

It is not an unprimeable number, because it can be changed into a prime (214643616553) 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, 2805136 + ... + 2880637.

It is an arithmetic number, because the mean of its divisors is an integer number (30669064956).

Almost surely, 2^214643616523 is an apocalyptic number.

214643616523 is a deficient number, since it is larger than the sum of its proper divisors (30708903125).

214643616523 is an equidigital number, since it uses as much as digits as its factorization.

214643616523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5691173.

The product of its digits is 622080, while the sum is 43.

The spelling of 214643616523 in words is "two hundred fourteen billion, six hundred forty-three million, six hundred sixteen thousand, five hundred twenty-three".