23131141 has 4 divisors (see below), whose sum is σ = 25233984. Its totient is φ = 21028300.

The previous prime is 23131111. The next prime is 23131181. The reversal of 23131141 is 14113132.

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 23131141 - 2²¹ = 21033989 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 (23131111) 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, 1051405 + ... + 1051426.

It is an arithmetic number, because the mean of its divisors is an integer number (6308496).

Almost surely, 2^23131141 is an apocalyptic number.

It is an amenable number.

23131141 is a deficient number, since it is larger than the sum of its proper divisors (2102843).

23131141 is a wasteful number, since it uses less digits than its factorization.

23131141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102842.

The product of its digits is 72, while the sum is 16.

The square root of 23131141 is about 4809.4844838090. The cubic root of 23131141 is about 284.9261776583.

Adding to 23131141 its reverse (14113132), we get a palindrome (37244273).

Subtracting from 23131141 its reverse (14113132), we obtain a square (9018009 = 3003²).

The spelling of 23131141 in words is "twenty-three million, one hundred thirty-one thousand, one hundred forty-one".