34140223 has 4 divisors (see below), whose sum is σ = 36766408. Its totient is φ = 31514040.

The previous prime is 34140209. The next prime is 34140247. The reversal of 34140223 is 32204143.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32204143 = 389 ⋅82787.

It is a cyclic number.

It is not a de Polignac number, because 34140223 - 2⁵ = 34140191 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 34140223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34140203) 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, 1313073 + ... + 1313098.

It is an arithmetic number, because the mean of its divisors is an integer number (9191602).

Almost surely, 2^34140223 is an apocalyptic number.

34140223 is a deficient number, since it is larger than the sum of its proper divisors (2626185).

34140223 is a wasteful number, since it uses less digits than its factorization.

34140223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626184.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 34140223 is about 5842.9635460098. The cubic root of 34140223 is about 324.4059301417.

Adding to 34140223 its reverse (32204143), we get a palindrome (66344366).

The spelling of 34140223 in words is "thirty-four million, one hundred forty thousand, two hundred twenty-three".