23301031309 has 2 divisors, whose sum is σ = 23301031310. Its totient is φ = 23301031308.

The previous prime is 23301031297. The next prime is 23301031333. The reversal of 23301031309 is 90313010332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20554956900 + 2746074409 = 143370^2 + 52403^2 .

It is a cyclic number.

It is not a de Polignac number, because 23301031309 - 2¹¹ = 23301029261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23301031379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11650515654 + 11650515655.

It is an arithmetic number, because the mean of its divisors is an integer number (11650515655).

Almost surely, 2^23301031309 is an apocalyptic number.

It is an amenable number.

23301031309 is a deficient number, since it is larger than the sum of its proper divisors (1).

23301031309 is an equidigital number, since it uses as much as digits as its factorization.

23301031309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 25.

The spelling of 23301031309 in words is "twenty-three billion, three hundred one million, thirty-one thousand, three hundred nine".