23203301311 has 4 divisors (see below), whose sum is σ = 23222368512. Its totient is φ = 23184234112.

The previous prime is 23203301299. The next prime is 23203301369. The reversal of 23203301311 is 11310330232.

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 23203301311 - 2⁵ = 23203301279 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 (23203311311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9531775 + ... + 9534208.

It is an arithmetic number, because the mean of its divisors is an integer number (5805592128).

Almost surely, 2^23203301311 is an apocalyptic number.

23203301311 is a deficient number, since it is larger than the sum of its proper divisors (19067201).

23203301311 is a wasteful number, since it uses less digits than its factorization.

23203301311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19067200.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 23203301311 its reverse (11310330232), we get a palindrome (34513631543).

The spelling of 23203301311 in words is "twenty-three billion, two hundred three million, three hundred one thousand, three hundred eleven".