23011012221233 has 2 divisors, whose sum is σ = 23011012221234. Its totient is φ = 23011012221232.

The previous prime is 23011012221191. The next prime is 23011012221259. The reversal of 23011012221233 is 33212221011032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20708533739569 + 2302478481664 = 4550663^2 + 1517392^2 .

It is a cyclic number.

It is not a de Polignac number, because 23011012221233 - 2²⁰ = 23011011172657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23011012221199 and 23011012221208.

It is not a weakly prime, because it can be changed into another prime (23011012223233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11505506110616 + 11505506110617.

It is an arithmetic number, because the mean of its divisors is an integer number (11505506110617).

Almost surely, 2^{23011012221233} is an apocalyptic number.

It is an amenable number.

23011012221233 is a deficient number, since it is larger than the sum of its proper divisors (1).

23011012221233 is an equidigital number, since it uses as much as digits as its factorization.

23011012221233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 23011012221233 its reverse (33212221011032), we get a palindrome (56223233232265).

The spelling of 23011012221233 in words is "twenty-three trillion, eleven billion, twelve million, two hundred twenty-one thousand, two hundred thirty-three".