23125015 has 8 divisors (see below), whose sum is σ = 29382480. Its totient is φ = 17411712.

The previous prime is 23125009. The next prime is 23125031. The reversal of 23125015 is 51052132.

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

It is a cyclic number.

It is not a de Polignac number, because 23125015 - 2³ = 23125007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23124983 and 23125001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135945 + ... + 136114.

It is an arithmetic number, because the mean of its divisors is an integer number (3672810).

Almost surely, 2^23125015 is an apocalyptic number.

23125015 is a deficient number, since it is larger than the sum of its proper divisors (6257465).

23125015 is a wasteful number, since it uses less digits than its factorization.

23125015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272081.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 23125015 is about 4808.8475750433. The cubic root of 23125015 is about 284.9010223654.

Adding to 23125015 its reverse (51052132), we get a palindrome (74177147).

The spelling of 23125015 in words is "twenty-three million, one hundred twenty-five thousand, fifteen".