23091541 has 8 divisors (see below), whose sum is σ = 25423200. Its totient is φ = 20798640.

The previous prime is 23091539. The next prime is 23091571. The reversal of 23091541 is 14519032.

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 23091541 - 2¹ = 23091539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23091571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8431 + ... + 10828.

It is an arithmetic number, because the mean of its divisors is an integer number (3177900).

Almost surely, 2^23091541 is an apocalyptic number.

It is an amenable number.

23091541 is a deficient number, since it is larger than the sum of its proper divisors (2331659).

23091541 is a wasteful number, since it uses less digits than its factorization.

23091541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19379.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 23091541 is about 4805.3658549584. The cubic root of 23091541 is about 284.7634890190.

It can be divided in two parts, 23091 and 541, that added together give a palindrome (23632).

The spelling of 23091541 in words is "twenty-three million, ninety-one thousand, five hundred forty-one".