23420541 has 8 divisors (see below), whose sum is σ = 31816800. Its totient is φ = 15318992.

The previous prime is 23420533. The next prime is 23420563. The reversal of 23420541 is 14502432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23420541 - 2³ = 23420533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23420641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73491 + ... + 73808.

It is an arithmetic number, because the mean of its divisors is an integer number (3977100).

Almost surely, 2^23420541 is an apocalyptic number.

It is an amenable number.

23420541 is a deficient number, since it is larger than the sum of its proper divisors (8396259).

23420541 is a wasteful number, since it uses less digits than its factorization.

23420541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147355.

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

The square root of 23420541 is about 4839.4773478135. The cubic root of 23420541 is about 286.1095192407.

Adding to 23420541 its reverse (14502432), we get a palindrome (37922973).

The spelling of 23420541 in words is "twenty-three million, four hundred twenty thousand, five hundred forty-one".