23434213 has 4 divisors (see below), whose sum is σ = 25564608. Its totient is φ = 21303820.

The previous prime is 23434207. The next prime is 23434219. The reversal of 23434213 is 31243432.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (23434207) and next prime (23434219).

It is a cyclic number.

It is not a de Polignac number, because 23434213 - 2⁵ = 23434181 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23434219) 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, 1065181 + ... + 1065202.

It is an arithmetic number, because the mean of its divisors is an integer number (6391152).

Almost surely, 2^23434213 is an apocalyptic number.

It is an amenable number.

23434213 is a deficient number, since it is larger than the sum of its proper divisors (2130395).

23434213 is a wasteful number, since it uses less digits than its factorization.

23434213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130394.

The product of its digits is 1728, while the sum is 22.

The square root of 23434213 is about 4840.8896909556. The cubic root of 23434213 is about 286.1651816103.

Adding to 23434213 its reverse (31243432), we get a palindrome (54677645).

It can be divided in two parts, 2343 and 4213, that added together give a palindrome (6556).

The spelling of 23434213 in words is "twenty-three million, four hundred thirty-four thousand, two hundred thirteen".