30453256123 has 2 divisors, whose sum is σ = 30453256124. Its totient is φ = 30453256122.

The previous prime is 30453256121. The next prime is 30453256133. The reversal of 30453256123 is 32165235403.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30453256123 - 2¹ = 30453256121 is a prime.

It is a super-2 number, since 2×30453256123² (a number of 22 digits) contains 22 as substring.

Together with 30453256121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (30453256121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15226628061 + 15226628062.

It is an arithmetic number, because the mean of its divisors is an integer number (15226628062).

Almost surely, 2^30453256123 is an apocalyptic number.

30453256123 is a deficient number, since it is larger than the sum of its proper divisors (1).

30453256123 is an equidigital number, since it uses as much as digits as its factorization.

30453256123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 34.

The spelling of 30453256123 in words is "thirty billion, four hundred fifty-three million, two hundred fifty-six thousand, one hundred twenty-three".