103020023321 has 2 divisors, whose sum is σ = 103020023322. Its totient is φ = 103020023320.

The previous prime is 103020023257. The next prime is 103020023441. The reversal of 103020023321 is 123320020301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90759997696 + 12260025625 = 301264^2 + 110725^2 .

It is a cyclic number.

It is not a de Polignac number, because 103020023321 - 2⁶ = 103020023257 is a prime.

It is a super-2 number, since 2×103020023321² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 103020023321.

It is not a weakly prime, because it can be changed into another prime (103020023521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51510011660 + 51510011661.

It is an arithmetic number, because the mean of its divisors is an integer number (51510011661).

Almost surely, 2^103020023321 is an apocalyptic number.

It is an amenable number.

103020023321 is a deficient number, since it is larger than the sum of its proper divisors (1).

103020023321 is an equidigital number, since it uses as much as digits as its factorization.

103020023321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 103020023321 its reverse (123320020301), we get a palindrome (226340043622).

The spelling of 103020023321 in words is "one hundred three billion, twenty million, twenty-three thousand, three hundred twenty-one".