23116015 has 16 divisors (see below), whose sum is σ = 29988000. Its totient is φ = 17004672.

The previous prime is 23116013. The next prime is 23116021. The reversal of 23116015 is 51061132.

It is a cyclic number.

It is not a de Polignac number, because 23116015 - 2¹ = 23116013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23115983 and 23116001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23116013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22176 + ... + 23194.

It is an arithmetic number, because the mean of its divisors is an integer number (1874250).

Almost surely, 2^23116015 is an apocalyptic number.

23116015 is a deficient number, since it is larger than the sum of its proper divisors (6871985).

23116015 is a wasteful number, since it uses less digits than its factorization.

23116015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 23116015 is about 4807.9117088399. The cubic root of 23116015 is about 284.8640574609.

Adding to 23116015 its reverse (51061132), we get a palindrome (74177147).

The spelling of 23116015 in words is "twenty-three million, one hundred sixteen thousand, fifteen".