23045517 has 48 divisors (see below), whose sum is σ = 39312000. Its totient is φ = 12862080.

The previous prime is 23045497. The next prime is 23045573. The reversal of 23045517 is 71554032.

It is a happy number.

It is not a de Polignac number, because 23045517 - 2⁸ = 23045261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23045597) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65859 + ... + 66207.

It is an arithmetic number, because the mean of its divisors is an integer number (819000).

Almost surely, 2^23045517 is an apocalyptic number.

It is an amenable number.

23045517 is a deficient number, since it is larger than the sum of its proper divisors (16266483).

23045517 is a wasteful number, since it uses less digits than its factorization.

23045517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 23045517 is about 4800.5746531014. The cubic root of 23045517 is about 284.5741747924.

Adding to 23045517 its reverse (71554032), we get a palindrome (94599549).

The spelling of 23045517 in words is "twenty-three million, forty-five thousand, five hundred seventeen".