23313021133133 has 2 divisors, whose sum is σ = 23313021133134. Its totient is φ = 23313021133132.

The previous prime is 23313021133067. The next prime is 23313021133183. The reversal of 23313021133133 is 33133112031332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22423662741769 + 889358391364 = 4735363^2 + 943058^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23313021133133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23313021133096 and 23313021133105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23313021133183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11656510566566 + 11656510566567.

It is an arithmetic number, because the mean of its divisors is an integer number (11656510566567).

Almost surely, 2^{23313021133133} is an apocalyptic number.

It is an amenable number.

23313021133133 is a deficient number, since it is larger than the sum of its proper divisors (1).

23313021133133 is an equidigital number, since it uses as much as digits as its factorization.

23313021133133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 29.

Adding to 23313021133133 its reverse (33133112031332), we get a palindrome (56446133164465).

The spelling of 23313021133133 in words is "twenty-three trillion, three hundred thirteen billion, twenty-one million, one hundred thirty-three thousand, one hundred thirty-three".