23134181 has 4 divisors (see below), whose sum is σ = 26439072. Its totient is φ = 19829292.

The previous prime is 23134171. The next prime is 23134201. The reversal of 23134181 is 18143132.

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 not a de Polignac number, because 23134181 - 2⁶ = 23134117 is a prime.

It is a super-2 number, since 2×23134181² = 1070380661081522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23134121) 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, 1652435 + ... + 1652448.

It is an arithmetic number, because the mean of its divisors is an integer number (6609768).

Almost surely, 2^23134181 is an apocalyptic number.

It is an amenable number.

23134181 is a deficient number, since it is larger than the sum of its proper divisors (3304891).

23134181 is an equidigital number, since it uses as much as digits as its factorization.

23134181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304890.

The product of its digits is 576, while the sum is 23.

The square root of 23134181 is about 4809.8005156139. The cubic root of 23134181 is about 284.9386592105.

The spelling of 23134181 in words is "twenty-three million, one hundred thirty-four thousand, one hundred eighty-one".