23364535220321 has 2 divisors, whose sum is σ = 23364535220322. Its totient is φ = 23364535220320.

The previous prime is 23364535220287. The next prime is 23364535220357. The reversal of 23364535220321 is 12302253546332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22335416273296 + 1029118947025 = 4726036^2 + 1014455^2 .

It is a cyclic number.

It is not a de Polignac number, because 23364535220321 - 2³⁴ = 23347355351137 is a prime.

It is a super-2 number, since 2×23364535220321² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23364535220371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11682267610160 + 11682267610161.

It is an arithmetic number, because the mean of its divisors is an integer number (11682267610161).

Almost surely, 2^{23364535220321} is an apocalyptic number.

It is an amenable number.

23364535220321 is a deficient number, since it is larger than the sum of its proper divisors (1).

23364535220321 is an equidigital number, since it uses as much as digits as its factorization.

23364535220321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 41.

Adding to 23364535220321 its reverse (12302253546332), we get a palindrome (35666788766653).

The spelling of 23364535220321 in words is "twenty-three trillion, three hundred sixty-four billion, five hundred thirty-five million, two hundred twenty thousand, three hundred twenty-one".