30423213402 has 16 divisors (see below), whose sum is σ = 64048870560. Its totient is φ = 9607330512.

The previous prime is 30423213391. The next prime is 30423213409. The reversal of 30423213402 is 20431232403.

30423213402 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (30423213409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133435033 + ... + 133435260.

It is an arithmetic number, because the mean of its divisors is an integer number (4003054410).

Almost surely, 2^30423213402 is an apocalyptic number.

30423213402 is an abundant number, since it is smaller than the sum of its proper divisors (33625657158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30423213402 is a wasteful number, since it uses less digits than its factorization.

30423213402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266870317.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 30423213402 its reverse (20431232403), we get a palindrome (50854445805).

The spelling of 30423213402 in words is "thirty billion, four hundred twenty-three million, two hundred thirteen thousand, four hundred two".