23148257 has 8 divisors (see below), whose sum is σ = 25349760. Its totient is φ = 20962960.

The previous prime is 23148241. The next prime is 23148259. The reversal of 23148257 is 75284132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23148257 - 2⁴ = 23148241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23148259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 953 + ... + 6870.

It is an arithmetic number, because the mean of its divisors is an integer number (3168720).

Almost surely, 2^23148257 is an apocalyptic number.

It is an amenable number.

23148257 is a deficient number, since it is larger than the sum of its proper divisors (2201503).

23148257 is a wasteful number, since it uses less digits than its factorization.

23148257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8103.

The product of its digits is 13440, while the sum is 32.

The square root of 23148257 is about 4811.2635554499. The cubic root of 23148257 is about 284.9964378338.

The spelling of 23148257 in words is "twenty-three million, one hundred forty-eight thousand, two hundred fifty-seven".