23203201131311 has 4 divisors (see below), whose sum is σ = 23203670150232. Its totient is φ = 23202732112392.

The previous prime is 23203201131289. The next prime is 23203201131343. The reversal of 23203201131311 is 11313110230232.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23203201131311 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 (23203201131361) 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, 234435245 + ... + 234534198.

It is an arithmetic number, because the mean of its divisors is an integer number (5800917537558).

Almost surely, 2^{23203201131311} is an apocalyptic number.

23203201131311 is a deficient number, since it is larger than the sum of its proper divisors (469018921).

23203201131311 is an equidigital number, since it uses as much as digits as its factorization.

23203201131311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469018920.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 23203201131311 its reverse (11313110230232), we get a palindrome (34516311361543).

The spelling of 23203201131311 in words is "twenty-three trillion, two hundred three billion, two hundred one million, one hundred thirty-one thousand, three hundred eleven".