23148687 has 4 divisors (see below), whose sum is σ = 30864920. Its totient is φ = 15432456.

The previous prime is 23148607. The next prime is 23148703. The reversal of 23148687 is 78684132.

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

It is not a de Polignac number, because 23148687 - 2⁸ = 23148431 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 (23148607) 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, 3858112 + ... + 3858117.

It is an arithmetic number, because the mean of its divisors is an integer number (7716230).

Almost surely, 2^23148687 is an apocalyptic number.

23148687 is a deficient number, since it is larger than the sum of its proper divisors (7716233).

23148687 is an equidigital number, since it uses as much as digits as its factorization.

23148687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7716232.

The product of its digits is 64512, while the sum is 39.

The square root of 23148687 is about 4811.3082420481. The cubic root of 23148687 is about 284.9982025125.

The spelling of 23148687 in words is "twenty-three million, one hundred forty-eight thousand, six hundred eighty-seven".