30323043397 has 2 divisors, whose sum is σ = 30323043398. Its totient is φ = 30323043396.

The previous prime is 30323043389. The next prime is 30323043427. The reversal of 30323043397 is 79334032303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29970880641 + 352162756 = 173121^2 + 18766^2 .

It is a cyclic number.

It is not a de Polignac number, because 30323043397 - 2³ = 30323043389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30423043397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15161521698 + 15161521699.

It is an arithmetic number, because the mean of its divisors is an integer number (15161521699).

Almost surely, 2^30323043397 is an apocalyptic number.

It is an amenable number.

30323043397 is a deficient number, since it is larger than the sum of its proper divisors (1).

30323043397 is an equidigital number, since it uses as much as digits as its factorization.

30323043397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 37.

The spelling of 30323043397 in words is "thirty billion, three hundred twenty-three million, forty-three thousand, three hundred ninety-seven".