23040434 has 16 divisors (see below), whose sum is σ = 36834048. Its totient is φ = 10783872.

The previous prime is 23040431. The next prime is 23040439. The reversal of 23040434 is 43404032.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23040431) 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, 3167 + ... + 7490.

It is an arithmetic number, because the mean of its divisors is an integer number (2302128).

Almost surely, 2^23040434 is an apocalyptic number.

23040434 is a deficient number, since it is larger than the sum of its proper divisors (13793614).

23040434 is a wasteful number, since it uses less digits than its factorization.

23040434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10729.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 23040434 is about 4800.0452081204. The cubic root of 23040434 is about 284.5532510282.

Adding to 23040434 its reverse (43404032), we get a palindrome (66444466).

The spelling of 23040434 in words is "twenty-three million, forty thousand, four hundred thirty-four".