23881541 has 4 divisors (see below), whose sum is σ = 23895072. Its totient is φ = 23868012.

The previous prime is 23881523. The next prime is 23881553. The reversal of 23881541 is 14518832.

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 23881541 - 2¹⁰ = 23880517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23881498 and 23881507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23881511) 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, 3635 + ... + 7808.

It is an arithmetic number, because the mean of its divisors is an integer number (5973768).

Almost surely, 2^23881541 is an apocalyptic number.

It is an amenable number.

23881541 is a deficient number, since it is larger than the sum of its proper divisors (13531).

23881541 is a wasteful number, since it uses less digits than its factorization.

23881541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13530.

The product of its digits is 7680, while the sum is 32.

The square root of 23881541 is about 4886.8743589333. The cubic root of 23881541 is about 287.9745548829.

The spelling of 23881541 in words is "twenty-three million, eight hundred eighty-one thousand, five hundred forty-one".