23152158 has 24 divisors (see below), whose sum is σ = 51520248. Its totient is φ = 7508592.

The previous prime is 23152139. The next prime is 23152159. The reversal of 23152158 is 85125132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23152159) 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 11 ways as a sum of consecutive naturals, for example, 16716 + ... + 18047.

It is an arithmetic number, because the mean of its divisors is an integer number (2146677).

Almost surely, 2^23152158 is an apocalyptic number.

23152158 is an abundant number, since it is smaller than the sum of its proper divisors (28368090).

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

23152158 is a wasteful number, since it uses less digits than its factorization.

23152158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34808 (or 34805 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 23152158 is about 4811.6689412303. The cubic root of 23152158 is about 285.0124463632.

The spelling of 23152158 in words is "twenty-three million, one hundred fifty-two thousand, one hundred fifty-eight".