123211233303133 has 2 divisors, whose sum is σ = 123211233303134. Its totient is φ = 123211233303132.

The previous prime is 123211233303107. The next prime is 123211233303209. The reversal of 123211233303133 is 331303332112321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107969181835684 + 15242051467449 = 10390822^2 + 3904107^2 .

It is a cyclic number.

It is not a de Polignac number, because 123211233303133 - 2²¹ = 123211231205981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123211233303095 and 123211233303104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123211234303133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61605616651566 + 61605616651567.

It is an arithmetic number, because the mean of its divisors is an integer number (61605616651567).

Almost surely, 2^{123211233303133} is an apocalyptic number.

It is an amenable number.

123211233303133 is a deficient number, since it is larger than the sum of its proper divisors (1).

123211233303133 is an equidigital number, since it uses as much as digits as its factorization.

123211233303133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 31.

Adding to 123211233303133 its reverse (331303332112321), we get a palindrome (454514565415454).

The spelling of 123211233303133 in words is "one hundred twenty-three trillion, two hundred eleven billion, two hundred thirty-three million, three hundred three thousand, one hundred thirty-three".