30235444123 has 4 divisors (see below), whose sum is σ = 30245522248. Its totient is φ = 30225366000.

The previous prime is 30235444093. The next prime is 30235444147. The reversal of 30235444123 is 32144453203.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32144453203 = 193 ⋅166551571.

It is a cyclic number.

It is not a de Polignac number, because 30235444123 - 2⁵ = 30235444091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30235441123) 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, 5034561 + ... + 5040562.

It is an arithmetic number, because the mean of its divisors is an integer number (7561380562).

Almost surely, 2^30235444123 is an apocalyptic number.

30235444123 is a deficient number, since it is larger than the sum of its proper divisors (10078125).

30235444123 is a wasteful number, since it uses less digits than its factorization.

30235444123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10078124.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 30235444123 its reverse (32144453203), we get a palindrome (62379897326).

The spelling of 30235444123 in words is "thirty billion, two hundred thirty-five million, four hundred forty-four thousand, one hundred twenty-three".