23201415 has 12 divisors (see below), whose sum is σ = 40215864. Its totient is φ = 12374064.

The previous prime is 23201407. The next prime is 23201419. The reversal of 23201415 is 51410232.

It is not a de Polignac number, because 23201415 - 2³ = 23201407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23201419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257749 + ... + 257838.

It is an arithmetic number, because the mean of its divisors is an integer number (3351322).

Almost surely, 2^23201415 is an apocalyptic number.

23201415 is a deficient number, since it is larger than the sum of its proper divisors (17014449).

23201415 is a wasteful number, since it uses less digits than its factorization.

23201415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515598 (or 515595 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 23201415 is about 4816.7847159698. The cubic root of 23201415 is about 285.2144277332.

Adding to 23201415 its reverse (51410232), we get a palindrome (74611647).

The spelling of 23201415 in words is "twenty-three million, two hundred one thousand, four hundred fifteen".