23042015 has 8 divisors (see below), whose sum is σ = 28172448. Its totient is φ = 18085600.

The previous prime is 23041999. The next prime is 23042017. The reversal of 23042015 is 51024032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23042015 - 2⁴ = 23041999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23041984 and 23042002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23042017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43211 + ... + 43740.

It is an arithmetic number, because the mean of its divisors is an integer number (3521556).

Almost surely, 2^23042015 is an apocalyptic number.

23042015 is a deficient number, since it is larger than the sum of its proper divisors (5130433).

23042015 is an equidigital number, since it uses as much as digits as its factorization.

23042015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87009.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 23042015 is about 4800.2098912443. The cubic root of 23042015 is about 284.5597594183.

Adding to 23042015 its reverse (51024032), we get a palindrome (74066047).

The spelling of 23042015 in words is "twenty-three million, forty-two thousand, fifteen".