23540461 has 16 divisors (see below), whose sum is σ = 28619136. Its totient is φ = 18902016.

The previous prime is 23540443. The next prime is 23540471. The reversal of 23540461 is 16404532.

It is not a de Polignac number, because 23540461 - 2⁷ = 23540333 is a prime.

It is a super-3 number, since 3×23540461³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23540441) 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, 39810 + ... + 40396.

It is an arithmetic number, because the mean of its divisors is an integer number (1788696).

Almost surely, 2^23540461 is an apocalyptic number.

It is an amenable number.

23540461 is a deficient number, since it is larger than the sum of its proper divisors (5078675).

23540461 is a wasteful number, since it uses less digits than its factorization.

23540461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 23540461 is about 4851.8512961549. The cubic root of 23540461 is about 286.5970095462.

Adding to 23540461 its reverse (16404532), we get a palindrome (39944993).

The spelling of 23540461 in words is "twenty-three million, five hundred forty thousand, four hundred sixty-one".