23140017 has 6 divisors (see below), whose sum is σ = 33424482. Its totient is φ = 15426672.

The previous prime is 23140003. The next prime is 23140037. The reversal of 23140017 is 71004132.

It can be written as a sum of positive squares in only one way, i.e., 21678336 + 1461681 = 4656^2 + 1209^2 .

It is not a de Polignac number, because 23140017 - 2⁸ = 23139761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23140037) 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 5 ways as a sum of consecutive naturals, for example, 1285548 + ... + 1285565.

It is an arithmetic number, because the mean of its divisors is an integer number (5570747).

Almost surely, 2^23140017 is an apocalyptic number.

It is an amenable number.

23140017 is a deficient number, since it is larger than the sum of its proper divisors (10284465).

23140017 is a wasteful number, since it uses less digits than its factorization.

23140017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571119 (or 2571116 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 23140017 is about 4810.4071553248. The cubic root of 23140017 is about 284.9626174422.

Adding to 23140017 its reverse (71004132), we get a palindrome (94144149).

The spelling of 23140017 in words is "twenty-three million, one hundred forty thousand, seventeen".