23434 has 4 divisors (see below), whose sum is σ = 35154. Its totient is φ = 11716.

The previous prime is 23431. The next prime is 23447. The reversal of 23434 is 43432.

23434 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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

It can be written as a sum of positive squares in only one way, i.e., 23409 + 25 = 153^2 + 5^2 .

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 12.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (23431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5857 + ... + 5860.

2²³⁴³⁴ is an apocalyptic number.

23434 is a deficient number, since it is larger than the sum of its proper divisors (11720).

23434 is a wasteful number, since it uses less digits than its factorization.

23434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11719.

The product of its digits is 288, while the sum is 16.

The square root of 23434 is about 153.0816775450. The cubic root of 23434 is about 28.6164314596.

Adding to 23434 its reverse (43432), we get a palindrome (66866).

The spelling of 23434 in words is "twenty-three thousand, four hundred thirty-four".