23155148 has 24 divisors (see below), whose sum is σ = 43008000. Its totient is φ = 10877328.

The previous prime is 23155147. The next prime is 23155151. The reversal of 23155148 is 84155132.

It is a self number, because there is not a number n which added to its sum of digits gives 23155148.

It is not an unprimeable number, because it can be changed into a prime (23155147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8453 + ... + 10851.

It is an arithmetic number, because the mean of its divisors is an integer number (1792000).

Almost surely, 2^23155148 is an apocalyptic number.

It is an amenable number.

23155148 is a deficient number, since it is larger than the sum of its proper divisors (19852852).

23155148 is a wasteful number, since it uses less digits than its factorization.

23155148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549 (or 2547 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 23155148 is about 4811.9796342046. The cubic root of 23155148 is about 285.0247152056.

The spelling of 23155148 in words is "twenty-three million, one hundred fifty-five thousand, one hundred forty-eight".