30534845123 has 2 divisors, whose sum is σ = 30534845124. Its totient is φ = 30534845122.

The previous prime is 30534845101. The next prime is 30534845207. The reversal of 30534845123 is 32154843503.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30534845123 - 2¹⁰ = 30534844099 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (30534845023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15267422561 + 15267422562.

It is an arithmetic number, because the mean of its divisors is an integer number (15267422562).

Almost surely, 2^30534845123 is an apocalyptic number.

30534845123 is a deficient number, since it is larger than the sum of its proper divisors (1).

30534845123 is an equidigital number, since it uses as much as digits as its factorization.

30534845123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 30534845123 in words is "thirty billion, five hundred thirty-four million, eight hundred forty-five thousand, one hundred twenty-three".