23021466133 has 2 divisors, whose sum is σ = 23021466134. Its totient is φ = 23021466132.

The previous prime is 23021466059. The next prime is 23021466137. The reversal of 23021466133 is 33166412032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23013496804 + 7969329 = 151702^2 + 2823^2 .

It is a cyclic number.

It is not a de Polignac number, because 23021466133 - 2²⁵ = 22987911701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23021466095 and 23021466104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23021466137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11510733066 + 11510733067.

It is an arithmetic number, because the mean of its divisors is an integer number (11510733067).

Almost surely, 2^23021466133 is an apocalyptic number.

It is an amenable number.

23021466133 is a deficient number, since it is larger than the sum of its proper divisors (1).

23021466133 is an equidigital number, since it uses as much as digits as its factorization.

23021466133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 23021466133 its reverse (33166412032), we get a palindrome (56187878165).

The spelling of 23021466133 in words is "twenty-three billion, twenty-one million, four hundred sixty-six thousand, one hundred thirty-three".