30310040023 has 2 divisors, whose sum is σ = 30310040024. Its totient is φ = 30310040022.

The previous prime is 30310040003. The next prime is 30310040039. The reversal of 30310040023 is 32004001303.

It is an a-pointer prime, because the next prime (30310040039) can be obtained adding 30310040023 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30310040023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30310039979 and 30310040006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30310040003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15155020011 + 15155020012.

It is an arithmetic number, because the mean of its divisors is an integer number (15155020012).

Almost surely, 2^30310040023 is an apocalyptic number.

30310040023 is a deficient number, since it is larger than the sum of its proper divisors (1).

30310040023 is an equidigital number, since it uses as much as digits as its factorization.

30310040023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 30310040023 its reverse (32004001303), we get a palindrome (62314041326).

The spelling of 30310040023 in words is "thirty billion, three hundred ten million, forty thousand, twenty-three".