23505134 has 4 divisors (see below), whose sum is σ = 35257704. Its totient is φ = 11752566.

The previous prime is 23505127. The next prime is 23505143. The reversal of 23505134 is 43150532.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5876282 + ... + 5876285.

It is an arithmetic number, because the mean of its divisors is an integer number (8814426).

Almost surely, 2^23505134 is an apocalyptic number.

23505134 is a deficient number, since it is larger than the sum of its proper divisors (11752570).

23505134 is a wasteful number, since it uses less digits than its factorization.

23505134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11752569.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 23505134 is about 4848.2093601659. The cubic root of 23505134 is about 286.4535730826.

Adding to 23505134 its reverse (43150532), we get a palindrome (66655666).

The spelling of 23505134 in words is "twenty-three million, five hundred five thousand, one hundred thirty-four".