23148715 has 4 divisors (see below), whose sum is σ = 27778464. Its totient is φ = 18518968.

The previous prime is 23148703. The next prime is 23148731. The reversal of 23148715 is 51784132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23148715 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2314867 + ... + 2314876.

It is an arithmetic number, because the mean of its divisors is an integer number (6944616).

Almost surely, 2^23148715 is an apocalyptic number.

23148715 is a deficient number, since it is larger than the sum of its proper divisors (4629749).

23148715 is an equidigital number, since it uses as much as digits as its factorization.

23148715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4629748.

The product of its digits is 6720, while the sum is 31.

The square root of 23148715 is about 4811.3111518587. The cubic root of 23148715 is about 284.9983174211.

The spelling of 23148715 in words is "twenty-three million, one hundred forty-eight thousand, seven hundred fifteen".