23144137 has 2 divisors, whose sum is σ = 23144138. Its totient is φ = 23144136.

The previous prime is 23144111. The next prime is 23144161. The reversal of 23144137 is 73144132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21864976 + 1279161 = 4676^2 + 1131^2 .

It is a cyclic number.

It is not a de Polignac number, because 23144137 - 2²³ = 14755529 is a prime.

It is a super-3 number, since 3×23144137³ (a number of 23 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (23144167) 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 as a sum of consecutive naturals, namely, 11572068 + 11572069.

It is an arithmetic number, because the mean of its divisors is an integer number (11572069).

Almost surely, 2^23144137 is an apocalyptic number.

It is an amenable number.

23144137 is a deficient number, since it is larger than the sum of its proper divisors (1).

23144137 is an equidigital number, since it uses as much as digits as its factorization.

23144137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 25.

The square root of 23144137 is about 4810.8353744438. The cubic root of 23144137 is about 284.9795286414.

Adding to 23144137 its reverse (73144132), we get a palindrome (96288269).

The spelling of 23144137 in words is "twenty-three million, one hundred forty-four thousand, one hundred thirty-seven".