30234021123021 has 4 divisors (see below), whose sum is σ = 40312028164032. Its totient is φ = 20156014082012.

The previous prime is 30234021123017. The next prime is 30234021123041. The reversal of 30234021123021 is 12032112043203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30234021123021 - 2² = 30234021123017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30234021122982 and 30234021123000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30234021123041) 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, 5039003520501 + ... + 5039003520506.

It is an arithmetic number, because the mean of its divisors is an integer number (10078007041008).

Almost surely, 2^{30234021123021} is an apocalyptic number.

It is an amenable number.

30234021123021 is a deficient number, since it is larger than the sum of its proper divisors (10078007041011).

30234021123021 is a wasteful number, since it uses less digits than its factorization.

30234021123021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10078007041010.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 30234021123021 its reverse (12032112043203), we get a palindrome (42266133166224).

The spelling of 30234021123021 in words is "thirty trillion, two hundred thirty-four billion, twenty-one million, one hundred twenty-three thousand, twenty-one".