30212432423 has 4 divisors (see below), whose sum is σ = 30393345360. Its totient is φ = 30031519488.

The previous prime is 30212432413. The next prime is 30212432449. The reversal of 30212432423 is 32423421203.

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 30212432423 - 2¹² = 30212428327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30212432392 and 30212432401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212432413) 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, 90456218 + ... + 90456551.

It is an arithmetic number, because the mean of its divisors is an integer number (7598336340).

Almost surely, 2^30212432423 is an apocalyptic number.

30212432423 is a deficient number, since it is larger than the sum of its proper divisors (180912937).

30212432423 is a wasteful number, since it uses less digits than its factorization.

30212432423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180912936.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 30212432423 its reverse (32423421203), we get a palindrome (62635853626).

The spelling of 30212432423 in words is "thirty billion, two hundred twelve million, four hundred thirty-two thousand, four hundred twenty-three".