30540005423 has 2 divisors, whose sum is σ = 30540005424. Its totient is φ = 30540005422.

The previous prime is 30540005417. The next prime is 30540005443. The reversal of 30540005423 is 32450004503.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30540005423 - 2⁴ = 30540005407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30540005392 and 30540005401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30540005443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15270002711 + 15270002712.

It is an arithmetic number, because the mean of its divisors is an integer number (15270002712).

Almost surely, 2^30540005423 is an apocalyptic number.

30540005423 is a deficient number, since it is larger than the sum of its proper divisors (1).

30540005423 is an equidigital number, since it uses as much as digits as its factorization.

30540005423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 26.

Adding to 30540005423 its reverse (32450004503), we get a palindrome (62990009926).

The spelling of 30540005423 in words is "thirty billion, five hundred forty million, five thousand, four hundred twenty-three".