23084181 has 36 divisors (see below), whose sum is σ = 36713196. Its totient is φ = 13927680.

The previous prime is 23084167. The next prime is 23084207. The reversal of 23084181 is 18148032.

It can be written as a sum of positive squares in 2 ways, for example, as 12489156 + 10595025 = 3534^2 + 3255^2 .

It is not a de Polignac number, because 23084181 - 2⁷ = 23084053 is a prime.

It is a super-2 number, since 2×23084181² = 1065758824881522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23084101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 146955 + ... + 147111.

It is an arithmetic number, because the mean of its divisors is an integer number (1019811).

Almost surely, 2^23084181 is an apocalyptic number.

It is an amenable number.

23084181 is a deficient number, since it is larger than the sum of its proper divisors (13629015).

23084181 is a wasteful number, since it uses less digits than its factorization.

23084181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 23084181 is about 4804.5999833493. The cubic root of 23084181 is about 284.7332314456.

The spelling of 23084181 in words is "twenty-three million, eighty-four thousand, one hundred eighty-one".