30212134330423 has 4 divisors (see below), whose sum is σ = 30724204403880. Its totient is φ = 29700064256968.

The previous prime is 30212134330387. The next prime is 30212134330447. The reversal of 30212134330423 is 32403343121203.

It is a happy number.

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 30212134330423 - 2²⁵ = 30212100775991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212134330463) 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, 256035036640 + ... + 256035036757.

It is an arithmetic number, because the mean of its divisors is an integer number (7681051100970).

Almost surely, 2^{30212134330423} is an apocalyptic number.

30212134330423 is a deficient number, since it is larger than the sum of its proper divisors (512070073457).

30212134330423 is an equidigital number, since it uses as much as digits as its factorization.

30212134330423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512070073456.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 30212134330423 its reverse (32403343121203), we get a palindrome (62615477451626).

The spelling of 30212134330423 in words is "thirty trillion, two hundred twelve billion, one hundred thirty-four million, three hundred thirty thousand, four hundred twenty-three".