23434534 has 16 divisors (see below), whose sum is σ = 38129616. Its totient is φ = 10758400.

The previous prime is 23434531. The next prime is 23434549. The reversal of 23434534 is 43543432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23434531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7012 + ... + 9799.

It is an arithmetic number, because the mean of its divisors is an integer number (2383101).

Almost surely, 2^23434534 is an apocalyptic number.

23434534 is a deficient number, since it is larger than the sum of its proper divisors (14695082).

23434534 is a wasteful number, since it uses less digits than its factorization.

23434534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16871.

The product of its digits is 17280, while the sum is 28.

The square root of 23434534 is about 4840.9228459045. The cubic root of 23434534 is about 286.1664882270.

Adding to 23434534 its reverse (43543432), we get a palindrome (66977966).

The spelling of 23434534 in words is "twenty-three million, four hundred thirty-four thousand, five hundred thirty-four".