23144211011 has 4 divisors (see below), whose sum is σ = 24362327400. Its totient is φ = 21926094624.

The previous prime is 23144210983. The next prime is 23144211019. The reversal of 23144211011 is 11011244132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23144211011 - 2¹⁰ = 23144209987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23144211019) 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, 609058166 + ... + 609058203.

It is an arithmetic number, because the mean of its divisors is an integer number (6090581850).

Almost surely, 2^23144211011 is an apocalyptic number.

23144211011 is a deficient number, since it is larger than the sum of its proper divisors (1218116389).

23144211011 is a wasteful number, since it uses less digits than its factorization.

23144211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218116388.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 23144211011 its reverse (11011244132), we get a palindrome (34155455143).

The spelling of 23144211011 in words is "twenty-three billion, one hundred forty-four million, two hundred eleven thousand, eleven".