23148955 has 8 divisors (see below), whose sum is σ = 27808704. Its totient is φ = 18499200.

The previous prime is 23148947. The next prime is 23148959. The reversal of 23148955 is 55984132.

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

It is not a de Polignac number, because 23148955 - 2³ = 23148947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23148959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4275 + ... + 8035.

It is an arithmetic number, because the mean of its divisors is an integer number (3476088).

Almost surely, 2^23148955 is an apocalyptic number.

23148955 is a deficient number, since it is larger than the sum of its proper divisors (4659749).

23148955 is a wasteful number, since it uses less digits than its factorization.

23148955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4997.

The product of its digits is 43200, while the sum is 37.

The square root of 23148955 is about 4811.3360930203. The cubic root of 23148955 is about 284.9993023477. Note that the first 3 decimals are identical.

The spelling of 23148955 in words is "twenty-three million, one hundred forty-eight thousand, nine hundred fifty-five".