214345423 has 4 divisors (see below), whose sum is σ = 214403728. Its totient is φ = 214287120.

The previous prime is 214345381. The next prime is 214345429. The reversal of 214345423 is 324543412.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214345423 is a prime.

It is a super-2 number, since 2×214345423² = 91887920722097858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214345391 and 214345400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214345429) 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, 23238 + ... + 31123.

It is an arithmetic number, because the mean of its divisors is an integer number (53600932).

Almost surely, 2^214345423 is an apocalyptic number.

214345423 is a deficient number, since it is larger than the sum of its proper divisors (58305).

214345423 is an equidigital number, since it uses as much as digits as its factorization.

214345423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58304.

The product of its digits is 11520, while the sum is 28.

The square root of 214345423 is about 14640.5403930319. The cubic root of 214345423 is about 598.4640557397.

Adding to 214345423 its reverse (324543412), we get a palindrome (538888835).

The spelling of 214345423 in words is "two hundred fourteen million, three hundred forty-five thousand, four hundred twenty-three".