23201243311 has 16 divisors (see below), whose sum is σ = 24887023200. Its totient is φ = 21563798400.

The previous prime is 23201243291. The next prime is 23201243327. The reversal of 23201243311 is 11334210232.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23201243311 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 (23201243371) 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, 425121 + ... + 476581.

It is an arithmetic number, because the mean of its divisors is an integer number (1555438950).

Almost surely, 2^23201243311 is an apocalyptic number.

23201243311 is a deficient number, since it is larger than the sum of its proper divisors (1685779889).

23201243311 is a wasteful number, since it uses less digits than its factorization.

23201243311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51930.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 23201243311 its reverse (11334210232), we get a palindrome (34535453543).

The spelling of 23201243311 in words is "twenty-three billion, two hundred one million, two hundred forty-three thousand, three hundred eleven".