23311153 has 4 divisors (see below), whose sum is σ = 23373040. Its totient is φ = 23249268.

The previous prime is 23311139. The next prime is 23311159. The reversal of 23311153 is 35111332.

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 23311153 - 2¹⁷ = 23180081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23311153.

It is not an unprimeable number, because it can be changed into a prime (23311159) 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 3 ways as a sum of consecutive naturals, for example, 30375 + ... + 31132.

It is an arithmetic number, because the mean of its divisors is an integer number (5843260).

Almost surely, 2^23311153 is an apocalyptic number.

It is an amenable number.

23311153 is a deficient number, since it is larger than the sum of its proper divisors (61887).

23311153 is an equidigital number, since it uses as much as digits as its factorization.

23311153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61886.

The product of its digits is 270, while the sum is 19.

The square root of 23311153 is about 4828.1624869095. The cubic root of 23311153 is about 285.6633894936.

Adding to 23311153 its reverse (35111332), we get a palindrome (58422485).

The spelling of 23311153 in words is "twenty-three million, three hundred eleven thousand, one hundred fifty-three".