23091150 has 24 divisors (see below), whose sum is σ = 57266424. Its totient is φ = 6157600.

The previous prime is 23091143. The next prime is 23091157. The reversal of 23091150 is 5119032.

It is an interprime number because it is at equal distance from previous prime (23091143) and next prime (23091157).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23091157) 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 11 ways as a sum of consecutive naturals, for example, 76821 + ... + 77120.

It is an arithmetic number, because the mean of its divisors is an integer number (2386101).

Almost surely, 2^23091150 is an apocalyptic number.

23091150 is an abundant number, since it is smaller than the sum of its proper divisors (34175274).

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

23091150 is a wasteful number, since it uses less digits than its factorization.

23091150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153956 (or 153951 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 23091150 is about 4805.3251710992. The cubic root of 23091150 is about 284.7618817472.

The spelling of 23091150 in words is "twenty-three million, ninety-one thousand, one hundred fifty".