23311231133201 has 4 divisors (see below), whose sum is σ = 25430433963504. Its totient is φ = 21192028302900.

The previous prime is 23311231133171. The next prime is 23311231133249. The reversal of 23311231133201 is 10233113211332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23311231133201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23311231139201) 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, 1059601415135 + ... + 1059601415156.

It is an arithmetic number, because the mean of its divisors is an integer number (6357608490876).

Almost surely, 2^{23311231133201} is an apocalyptic number.

It is an amenable number.

23311231133201 is a deficient number, since it is larger than the sum of its proper divisors (2119202830303).

23311231133201 is a wasteful number, since it uses less digits than its factorization.

23311231133201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119202830302.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 23311231133201 its reverse (10233113211332), we get a palindrome (33544344344533).

It can be divided in two parts, 23311231 and 133201, that added together give a palindrome (23444432).

The spelling of 23311231133201 in words is "twenty-three trillion, three hundred eleven billion, two hundred thirty-one million, one hundred thirty-three thousand, two hundred one".