30235123447 has 4 divisors (see below), whose sum is σ = 30236590800. Its totient is φ = 30233656096.

The previous prime is 30235123393. The next prime is 30235123459. The reversal of 30235123447 is 74432153203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30235123447 - 2³¹ = 28087639799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30235123847) 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, 702322 + ... + 744127.

It is an arithmetic number, because the mean of its divisors is an integer number (7559147700).

Almost surely, 2^30235123447 is an apocalyptic number.

30235123447 is a deficient number, since it is larger than the sum of its proper divisors (1467353).

30235123447 is a wasteful number, since it uses less digits than its factorization.

30235123447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467352.

The product of its (nonzero) digits is 60480, while the sum is 34.

The spelling of 30235123447 in words is "thirty billion, two hundred thirty-five million, one hundred twenty-three thousand, four hundred forty-seven".