30034023457 has 2 divisors, whose sum is σ = 30034023458. Its totient is φ = 30034023456.

The previous prime is 30034023433. The next prime is 30034023473. The reversal of 30034023457 is 75432043003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22077205056 + 7956818401 = 148584^2 + 89201^2 .

It is an emirp because it is prime and its reverse (75432043003) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30034023457 is a prime.

It is not a weakly prime, because it can be changed into another prime (30034023557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15017011728 + 15017011729.

It is an arithmetic number, because the mean of its divisors is an integer number (15017011729).

Almost surely, 2^30034023457 is an apocalyptic number.

It is an amenable number.

30034023457 is a deficient number, since it is larger than the sum of its proper divisors (1).

30034023457 is an equidigital number, since it uses as much as digits as its factorization.

30034023457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 31.

The spelling of 30034023457 in words is "thirty billion, thirty-four million, twenty-three thousand, four hundred fifty-seven".