23040261 has 16 divisors (see below), whose sum is σ = 34243200. Its totient is φ = 15310944.

The previous prime is 23040247. The next prime is 23040263. The reversal of 23040261 is 16204032.

It is a happy number.

It is not a de Polignac number, because 23040261 - 2⁵ = 23040229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23040263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8505 + ... + 10881.

It is an arithmetic number, because the mean of its divisors is an integer number (2140200).

Almost surely, 2^23040261 is an apocalyptic number.

It is an amenable number.

23040261 is a deficient number, since it is larger than the sum of its proper divisors (11202939).

23040261 is a wasteful number, since it uses less digits than its factorization.

23040261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745 (or 2739 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 23040261 is about 4800.0271874230. The cubic root of 23040261 is about 284.5525388333.

Adding to 23040261 its reverse (16204032), we get a palindrome (39244293).

The spelling of 23040261 in words is "twenty-three million, forty thousand, two hundred sixty-one".