23240141 has 4 divisors (see below), whose sum is σ = 23534400. Its totient is φ = 22945884.

The previous prime is 23240131. The next prime is 23240149. The reversal of 23240141 is 14104232.

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-23240141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23240149) 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, 147011 + ... + 147168.

It is an arithmetic number, because the mean of its divisors is an integer number (5883600).

Almost surely, 2^23240141 is an apocalyptic number.

It is an amenable number.

23240141 is a deficient number, since it is larger than the sum of its proper divisors (294259).

23240141 is an equidigital number, since it uses as much as digits as its factorization.

23240141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294258.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 23240141 is about 4820.8029414196. The cubic root of 23240141 is about 285.3730254502.

Adding to 23240141 its reverse (14104232), we get a palindrome (37344373).

The spelling of 23240141 in words is "twenty-three million, two hundred forty thousand, one hundred forty-one".