30242032123 has 4 divisors (see below), whose sum is σ = 30242535040. Its totient is φ = 30241529208.

The previous prime is 30242032109. The next prime is 30242032133. The reversal of 30242032123 is 32123024203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32123024203 = 17 ⋅1889589659.

It is a cyclic number.

It is not a de Polignac number, because 30242032123 - 2¹⁷ = 30241901051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30242032094 and 30242032103.

It is not an unprimeable number, because it can be changed into a prime (30242032133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146715 + ... + 286372.

It is an arithmetic number, because the mean of its divisors is an integer number (7560633760).

Almost surely, 2^30242032123 is an apocalyptic number.

30242032123 is a deficient number, since it is larger than the sum of its proper divisors (502917).

30242032123 is an equidigital number, since it uses as much as digits as its factorization.

30242032123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502916.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 30242032123 its reverse (32123024203), we get a palindrome (62365056326).

The spelling of 30242032123 in words is "thirty billion, two hundred forty-two million, thirty-two thousand, one hundred twenty-three".