23142415 has 4 divisors (see below), whose sum is σ = 27770904. Its totient is φ = 18513928.

The previous prime is 23142391. The next prime is 23142419. The reversal of 23142415 is 51424132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23142415 - 2²¹ = 21045263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23142419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2314237 + ... + 2314246.

It is an arithmetic number, because the mean of its divisors is an integer number (6942726).

Almost surely, 2^23142415 is an apocalyptic number.

23142415 is a deficient number, since it is larger than the sum of its proper divisors (4628489).

23142415 is an equidigital number, since it uses as much as digits as its factorization.

23142415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4628488.

The product of its digits is 960, while the sum is 22.

The square root of 23142415 is about 4810.6564001184. The cubic root of 23142415 is about 284.9724606610.

Adding to 23142415 its reverse (51424132), we get a palindrome (74566547).

The spelling of 23142415 in words is "twenty-three million, one hundred forty-two thousand, four hundred fifteen".