23320021433 has 2 divisors, whose sum is σ = 23320021434. Its totient is φ = 23320021432.

The previous prime is 23320021427. The next prime is 23320021499. The reversal of 23320021433 is 33412002332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12962277904 + 10357743529 = 113852^2 + 101773^2 .

It is a cyclic number.

It is not a de Polignac number, because 23320021433 - 2¹⁸ = 23319759289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23320021399 and 23320021408.

It is not a weakly prime, because it can be changed into another prime (23320021733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11660010716 + 11660010717.

It is an arithmetic number, because the mean of its divisors is an integer number (11660010717).

Almost surely, 2^23320021433 is an apocalyptic number.

It is an amenable number.

23320021433 is a deficient number, since it is larger than the sum of its proper divisors (1).

23320021433 is an equidigital number, since it uses as much as digits as its factorization.

23320021433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 23320021433 its reverse (33412002332), we get a palindrome (56732023765).

The spelling of 23320021433 in words is "twenty-three billion, three hundred twenty million, twenty-one thousand, four hundred thirty-three".