23155266 has 24 divisors (see below), whose sum is σ = 47612880. Its totient is φ = 7507152.

The previous prime is 23155247. The next prime is 23155271. The reversal of 23155266 is 66255132.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6805 + ... + 9623.

It is an arithmetic number, because the mean of its divisors is an integer number (1983870).

Almost surely, 2^23155266 is an apocalyptic number.

23155266 is an abundant number, since it is smaller than the sum of its proper divisors (24457614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23155266 is a wasteful number, since it uses less digits than its factorization.

23155266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898 (or 2861 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 23155266 is about 4811.9918952550. The cubic root of 23155266 is about 285.0251993723.

The spelling of 23155266 in words is "twenty-three million, one hundred fifty-five thousand, two hundred sixty-six".