30173235473 has 4 divisors (see below), whose sum is σ = 30179580480. Its totient is φ = 30166890468.

The previous prime is 30173235461. The next prime is 30173235481. The reversal of 30173235473 is 37453237103.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37453237103 = 53 ⋅706664851.

It is a cyclic number.

It is not a de Polignac number, because 30173235473 - 2⁶ = 30173235409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30173235973) 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, 3165365 + ... + 3174882.

It is an arithmetic number, because the mean of its divisors is an integer number (7544895120).

Almost surely, 2^30173235473 is an apocalyptic number.

It is an amenable number.

30173235473 is a deficient number, since it is larger than the sum of its proper divisors (6345007).

30173235473 is an equidigital number, since it uses as much as digits as its factorization.

30173235473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6345006.

The product of its (nonzero) digits is 158760, while the sum is 38.

The spelling of 30173235473 in words is "thirty billion, one hundred seventy-three million, two hundred thirty-five thousand, four hundred seventy-three".