23622541 has 4 divisors (see below), whose sum is σ = 24649632. Its totient is φ = 22595452.

The previous prime is 23622517. The next prime is 23622551. The reversal of 23622541 is 14522632.

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 not a de Polignac number, because 23622541 - 2⁹ = 23622029 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 (23622551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513511 + ... + 513556.

It is an arithmetic number, because the mean of its divisors is an integer number (6162408).

Almost surely, 2^23622541 is an apocalyptic number.

It is an amenable number.

23622541 is a deficient number, since it is larger than the sum of its proper divisors (1027091).

23622541 is a wasteful number, since it uses less digits than its factorization.

23622541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027090.

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

The square root of 23622541 is about 4860.3025625983. The cubic root of 23622541 is about 286.9297217312.

Subtracting from 23622541 its reverse (14522632), we obtain a palindrome (9099909).

The spelling of 23622541 in words is "twenty-three million, six hundred twenty-two thousand, five hundred forty-one".