23240434 has 16 divisors (see below), whose sum is σ = 39904128. Its totient is φ = 9944352.

The previous prime is 23240429. The next prime is 23240443. The reversal of 23240434 is 43404232.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13659 + ... + 15265.

It is an arithmetic number, because the mean of its divisors is an integer number (2494008).

Almost surely, 2^23240434 is an apocalyptic number.

23240434 is a deficient number, since it is larger than the sum of its proper divisors (16663694).

23240434 is a wasteful number, since it uses less digits than its factorization.

23240434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 23240434 is about 4820.8333304523. The cubic root of 23240434 is about 285.3742247249.

Adding to 23240434 its reverse (43404232), we get a palindrome (66644666).

The spelling of 23240434 in words is "twenty-three million, two hundred forty thousand, four hundred thirty-four".