23011853 has 4 divisors (see below), whose sum is σ = 23187648. Its totient is φ = 22836060.

The previous prime is 23011841. The next prime is 23011861. The reversal of 23011853 is 35811032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23011853 - 2¹⁰ = 23010829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23011883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87701 + ... + 87962.

It is an arithmetic number, because the mean of its divisors is an integer number (5796912).

Almost surely, 2^23011853 is an apocalyptic number.

It is an amenable number.

23011853 is a deficient number, since it is larger than the sum of its proper divisors (175795).

23011853 is a wasteful number, since it uses less digits than its factorization.

23011853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175794.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 23011853 is about 4797.0671248170. The cubic root of 23011853 is about 284.4355422844.

Adding to 23011853 its reverse (35811032), we get a palindrome (58822885).

The spelling of 23011853 in words is "twenty-three million, eleven thousand, eight hundred fifty-three".