23204240111 has 16 divisors (see below), whose sum is σ = 25292645280. Its totient is φ = 21159621120.

The previous prime is 23204240021. The next prime is 23204240131. The reversal of 23204240111 is 11104240232.

It is a cyclic number.

It is not a de Polignac number, because 23204240111 - 2¹⁰ = 23204239087 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 (23204240131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1371896 + ... + 1388706.

It is an arithmetic number, because the mean of its divisors is an integer number (1580790330).

Almost surely, 2^23204240111 is an apocalyptic number.

23204240111 is a deficient number, since it is larger than the sum of its proper divisors (2088405169).

23204240111 is a wasteful number, since it uses less digits than its factorization.

23204240111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18106.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 23204240111 its reverse (11104240232), we get a palindrome (34308480343).

The spelling of 23204240111 in words is "twenty-three billion, two hundred four million, two hundred forty thousand, one hundred eleven".