23111053 has 4 divisors (see below), whose sum is σ = 26412640. Its totient is φ = 19809468.

The previous prime is 23111029. The next prime is 23111069. The reversal of 23111053 is 35011132.

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 de Polignac number, because none of the positive numbers 2^k-23111053 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 (23111083) 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 3 ways as a sum of consecutive naturals, for example, 1650783 + ... + 1650796.

It is an arithmetic number, because the mean of its divisors is an integer number (6603160).

Almost surely, 2^23111053 is an apocalyptic number.

It is an amenable number.

23111053 is a deficient number, since it is larger than the sum of its proper divisors (3301587).

23111053 is an equidigital number, since it uses as much as digits as its factorization.

23111053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3301586.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 23111053 is about 4807.3956566940. The cubic root of 23111053 is about 284.8436733736.

Adding to 23111053 its reverse (35011132), we get a palindrome (58122185).

It can be divided in two parts, 2311 and 1053, that added together give a square (3364 = 58²).

The spelling of 23111053 in words is "twenty-three million, one hundred eleven thousand, fifty-three".