30007423073 has 4 divisors (see below), whose sum is σ = 30344585220. Its totient is φ = 29670260928.

The previous prime is 30007423067. The next prime is 30007423081. The reversal of 30007423073 is 37032470003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37032470003 = 2659 ⋅13927217.

It can be written as a sum of positive squares in 2 ways, for example, as 10528196449 + 19479226624 = 102607^2 + 139568^2 .

It is a cyclic number.

It is not a de Polignac number, because 30007423073 - 2¹⁸ = 30007160929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30007423003) 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, 168580940 + ... + 168581117.

It is an arithmetic number, because the mean of its divisors is an integer number (7586146305).

Almost surely, 2^30007423073 is an apocalyptic number.

It is an amenable number.

30007423073 is a deficient number, since it is larger than the sum of its proper divisors (337162147).

30007423073 is an equidigital number, since it uses as much as digits as its factorization.

30007423073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337162146.

The product of its (nonzero) digits is 10584, while the sum is 29.

Adding to 30007423073 its reverse (37032470003), we get a palindrome (67039893076).

The spelling of 30007423073 in words is "thirty billion, seven million, four hundred twenty-three thousand, seventy-three".