30040123297 has 2 divisors, whose sum is σ = 30040123298. Its totient is φ = 30040123296.

The previous prime is 30040123277. The next prime is 30040123307. The reversal of 30040123297 is 79232104003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28261308321 + 1778814976 = 168111^2 + 42176^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30040123297 is a prime.

It is not a weakly prime, because it can be changed into another prime (30040123247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15020061648 + 15020061649.

It is an arithmetic number, because the mean of its divisors is an integer number (15020061649).

Almost surely, 2^30040123297 is an apocalyptic number.

It is an amenable number.

30040123297 is a deficient number, since it is larger than the sum of its proper divisors (1).

30040123297 is an equidigital number, since it uses as much as digits as its factorization.

30040123297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The spelling of 30040123297 in words is "thirty billion, forty million, one hundred twenty-three thousand, two hundred ninety-seven".