23240541 has 4 divisors (see below), whose sum is σ = 30987392. Its totient is φ = 15493692.

The previous prime is 23240537. The next prime is 23240549. The reversal of 23240541 is 14504232.

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 not a de Polignac number, because 23240541 - 2² = 23240537 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 (23240549) 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, 3873421 + ... + 3873426.

It is an arithmetic number, because the mean of its divisors is an integer number (7746848).

Almost surely, 2^23240541 is an apocalyptic number.

It is an amenable number.

23240541 is a deficient number, since it is larger than the sum of its proper divisors (7746851).

23240541 is an equidigital number, since it uses as much as digits as its factorization.

23240541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7746850.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 23240541 is about 4820.8444281059. The cubic root of 23240541 is about 285.3746626828.

Adding to 23240541 its reverse (14504232), we get a palindrome (37744773).

The spelling of 23240541 in words is "twenty-three million, two hundred forty thousand, five hundred forty-one".