23105131 has 8 divisors (see below), whose sum is σ = 27119840. Its totient is φ = 19268928.

The previous prime is 23105119. The next prime is 23105161. The reversal of 23105131 is 13150132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23105131 - 2²³ = 14716523 is a prime.

It is a super-2 number, since 2×23105131² = 1067694157054322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23105161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44346 + ... + 44863.

It is an arithmetic number, because the mean of its divisors is an integer number (3389980).

Almost surely, 2^23105131 is an apocalyptic number.

23105131 is a deficient number, since it is larger than the sum of its proper divisors (4014709).

23105131 is an equidigital number, since it uses as much as digits as its factorization.

23105131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89253.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 23105131 is about 4806.7796912278. The cubic root of 23105131 is about 284.8193417499.

Adding to 23105131 its reverse (13150132), we get a palindrome (36255263).

The spelling of 23105131 in words is "twenty-three million, one hundred five thousand, one hundred thirty-one".