23855090 has 16 divisors (see below), whose sum is σ = 49073472. Its totient is φ = 8178864.

The previous prime is 23855053. The next prime is 23855099. The reversal of 23855090 is 9055832.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23855099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170324 + ... + 170463.

It is an arithmetic number, because the mean of its divisors is an integer number (3067092).

Almost surely, 2^23855090 is an apocalyptic number.

23855090 is an abundant number, since it is smaller than the sum of its proper divisors (25218382).

23855090 is a wasteful number, since it uses less digits than its factorization.

23855090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340801.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 23855090 is about 4884.1672780526. The cubic root of 23855090 is about 287.8681961832.

The spelling of 23855090 in words is "twenty-three million, eight hundred fifty-five thousand, ninety".