214212423 has 4 divisors (see below), whose sum is σ = 285616568. Its totient is φ = 142808280.

The previous prime is 214212407. The next prime is 214212431. The reversal of 214212423 is 324212412.

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

It is not a de Polignac number, because 214212423 - 2⁴ = 214212407 is a prime.

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 214212423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214212443) 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, 35702068 + ... + 35702073.

It is an arithmetic number, because the mean of its divisors is an integer number (71404142).

Almost surely, 2^214212423 is an apocalyptic number.

214212423 is a deficient number, since it is larger than the sum of its proper divisors (71404145).

214212423 is an equidigital number, since it uses as much as digits as its factorization.

214212423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71404144.

The product of its digits is 768, while the sum is 21.

The square root of 214212423 is about 14635.9975061490. The cubic root of 214212423 is about 598.3402490560.

Adding to 214212423 its reverse (324212412), we get a palindrome (538424835).

The spelling of 214212423 in words is "two hundred fourteen million, two hundred twelve thousand, four hundred twenty-three".