23213032133 has 2 divisors, whose sum is σ = 23213032134. Its totient is φ = 23213032132.

The previous prime is 23213032091. The next prime is 23213032153. The reversal of 23213032133 is 33123031232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19277100964 + 3935931169 = 138842^2 + 62737^2 .

It is a cyclic number.

It is not a de Polignac number, because 23213032133 - 2⁶ = 23213032069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23213032099 and 23213032108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23213032153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11606516066 + 11606516067.

It is an arithmetic number, because the mean of its divisors is an integer number (11606516067).

Almost surely, 2^23213032133 is an apocalyptic number.

It is an amenable number.

23213032133 is a deficient number, since it is larger than the sum of its proper divisors (1).

23213032133 is an equidigital number, since it uses as much as digits as its factorization.

23213032133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 23213032133 its reverse (33123031232), we get a palindrome (56336063365).

Subtracting 23213032133 from its reverse (33123031232), we obtain a palindrome (9909999099).

The spelling of 23213032133 in words is "twenty-three billion, two hundred thirteen million, thirty-two thousand, one hundred thirty-three".