10302023209 has 2 divisors, whose sum is σ = 10302023210. Its totient is φ = 10302023208.

The previous prime is 10302023161. The next prime is 10302023279. The reversal of 10302023209 is 90232020301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7713757584 + 2588265625 = 87828^2 + 50875^2 .

It is an emirp because it is prime and its reverse (90232020301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10302023209 - 2²¹ = 10299926057 is a prime.

It is a super-2 number, since 2×10302023209² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10302023209.

It is not a weakly prime, because it can be changed into another prime (10302023279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5151011604 + 5151011605.

It is an arithmetic number, because the mean of its divisors is an integer number (5151011605).

Almost surely, 2^10302023209 is an apocalyptic number.

It is an amenable number.

10302023209 is a deficient number, since it is larger than the sum of its proper divisors (1).

10302023209 is an equidigital number, since it uses as much as digits as its factorization.

10302023209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The spelling of 10302023209 in words is "ten billion, three hundred two million, twenty-three thousand, two hundred nine".