23053515 has 16 divisors (see below), whose sum is σ = 37110528. Its totient is φ = 12220256.

The previous prime is 23053507. The next prime is 23053519. The reversal of 23053515 is 51535032.

It is a cyclic number.

It is not a de Polignac number, because 23053515 - 2³ = 23053507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23053519) 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, 2097 + ... + 7106.

It is an arithmetic number, because the mean of its divisors is an integer number (2319408).

Almost surely, 2^23053515 is an apocalyptic number.

23053515 is a deficient number, since it is larger than the sum of its proper divisors (14057013).

23053515 is a wasteful number, since it uses less digits than its factorization.

23053515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9378.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 23053515 is about 4801.4076061089. The cubic root of 23053515 is about 284.6070916933.

Adding to 23053515 its reverse (51535032), we get a palindrome (74588547).

The spelling of 23053515 in words is "twenty-three million, fifty-three thousand, five hundred fifteen".