23142015 has 72 divisors (see below), whose sum is σ = 46247760. Its totient is φ = 10662912.

The previous prime is 23142011. The next prime is 23142017. The reversal of 23142015 is 51024132.

23142015 is a `hidden beast` number, since 231 + 420 + 15 = 666.

It is not a de Polignac number, because 23142015 - 2² = 23142011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23142011) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 129196 + ... + 129374.

It is an arithmetic number, because the mean of its divisors is an integer number (642330).

Almost surely, 2^23142015 is an apocalyptic number.

23142015 is a deficient number, since it is larger than the sum of its proper divisors (23105745).

23142015 is a wasteful number, since it uses less digits than its factorization.

23142015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 23142015 is about 4810.6148255706. The cubic root of 23142015 is about 284.9708188036.

Adding to 23142015 its reverse (51024132), we get a palindrome (74166147).

The spelling of 23142015 in words is "twenty-three million, one hundred forty-two thousand, fifteen".