30202320423 has 16 divisors (see below), whose sum is σ = 44001648000. Its totient is φ = 18274853280.

The previous prime is 30202320397. The next prime is 30202320443. The reversal of 30202320423 is 32402320203.

It is not a de Polignac number, because 30202320423 - 2⁵ = 30202320391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30202320423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30202320443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 718848 + ... + 759701.

It is an arithmetic number, because the mean of its divisors is an integer number (2750103000).

Almost surely, 2^30202320423 is an apocalyptic number.

30202320423 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

30202320423 is a deficient number, since it is larger than the sum of its proper divisors (13799327577).

30202320423 is a wasteful number, since it uses less digits than its factorization.

30202320423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479182.

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 30202320423 its reverse (32402320203), we get a palindrome (62604640626).

The spelling of 30202320423 in words is "thirty billion, two hundred two million, three hundred twenty thousand, four hundred twenty-three".