105421423333 has 2 divisors, whose sum is σ = 105421423334. Its totient is φ = 105421423332.

The previous prime is 105421423249. The next prime is 105421423357. The reversal of 105421423333 is 333324124501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63552897409 + 41868525924 = 252097^2 + 204618^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105421423333 is a prime.

It is a super-2 number, since 2×105421423333² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105421423295 and 105421423304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105421423033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52710711666 + 52710711667.

It is an arithmetic number, because the mean of its divisors is an integer number (52710711667).

Almost surely, 2^105421423333 is an apocalyptic number.

It is an amenable number.

105421423333 is a deficient number, since it is larger than the sum of its proper divisors (1).

105421423333 is an equidigital number, since it uses as much as digits as its factorization.

105421423333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 105421423333 its reverse (333324124501), we get a palindrome (438745547834).

The spelling of 105421423333 in words is "one hundred five billion, four hundred twenty-one million, four hundred twenty-three thousand, three hundred thirty-three".