23161141 has 4 divisors (see below), whose sum is σ = 23454400. Its totient is φ = 22867884.

The previous prime is 23161139. The next prime is 23161199. The reversal of 23161141 is 14116132.

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 23161141 - 2¹ = 23161139 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 (23161241) 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, 146511 + ... + 146668.

It is an arithmetic number, because the mean of its divisors is an integer number (5863600).

Almost surely, 2^23161141 is an apocalyptic number.

It is an amenable number.

23161141 is a deficient number, since it is larger than the sum of its proper divisors (293259).

23161141 is an equidigital number, since it uses as much as digits as its factorization.

23161141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293258.

The product of its digits is 144, while the sum is 19.

The square root of 23161141 is about 4812.6023106008. The cubic root of 23161141 is about 285.0493030535.

Adding to 23161141 its reverse (14116132), we get a palindrome (37277273).

The spelling of 23161141 in words is "twenty-three million, one hundred sixty-one thousand, one hundred forty-one".