23040061 has 4 divisors (see below), whose sum is σ = 25134624. Its totient is φ = 20945500.

The previous prime is 23040047. The next prime is 23040071. The reversal of 23040061 is 16004032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23040061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23040071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1047265 + ... + 1047286.

It is an arithmetic number, because the mean of its divisors is an integer number (6283656).

Almost surely, 2^23040061 is an apocalyptic number.

It is an amenable number.

23040061 is a deficient number, since it is larger than the sum of its proper divisors (2094563).

23040061 is a wasteful number, since it uses less digits than its factorization.

23040061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094562.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 23040061 is about 4800.0063541625. The cubic root of 23040061 is about 284.5517154822.

Adding to 23040061 its reverse (16004032), we get a palindrome (39044093).

The spelling of 23040061 in words is "twenty-three million, forty thousand, sixty-one".