30312010423 has 4 divisors (see below), whose sum is σ = 30315943048. Its totient is φ = 30308077800.

The previous prime is 30312010403. The next prime is 30312010481. The reversal of 30312010423 is 32401021303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32401021303 = 7 ⋅4628717329.

It is a cyclic number.

It is not a de Polignac number, because 30312010423 - 2⁹ = 30312009911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30312010423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30312010403) 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, 1954728 + ... + 1970173.

It is an arithmetic number, because the mean of its divisors is an integer number (7578985762).

Almost surely, 2^30312010423 is an apocalyptic number.

30312010423 is a deficient number, since it is larger than the sum of its proper divisors (3932625).

30312010423 is an equidigital number, since it uses as much as digits as its factorization.

30312010423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3932624.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30312010423 its reverse (32401021303), we get a palindrome (62713031726).

The spelling of 30312010423 in words is "thirty billion, three hundred twelve million, ten thousand, four hundred twenty-three".