30405423401 has 2 divisors, whose sum is σ = 30405423402. Its totient is φ = 30405423400.

The previous prime is 30405423397. The next prime is 30405423407. The reversal of 30405423401 is 10432450403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24572130025 + 5833293376 = 156755^2 + 76376^2 .

It is a cyclic number.

It is not a de Polignac number, because 30405423401 - 2² = 30405423397 is a prime.

It is not a weakly prime, because it can be changed into another prime (30405423407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15202711700 + 15202711701.

It is an arithmetic number, because the mean of its divisors is an integer number (15202711701).

Almost surely, 2^30405423401 is an apocalyptic number.

It is an amenable number.

30405423401 is a deficient number, since it is larger than the sum of its proper divisors (1).

30405423401 is an equidigital number, since it uses as much as digits as its factorization.

30405423401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 30405423401 its reverse (10432450403), we get a palindrome (40837873804).

The spelling of 30405423401 in words is "thirty billion, four hundred five million, four hundred twenty-three thousand, four hundred one".