30623221132321 has 4 divisors (see below), whose sum is σ = 30652358356144. Its totient is φ = 30594083908500.

The previous prime is 30623221132307. The next prime is 30623221132327. The reversal of 30623221132321 is 12323112232603.

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 30623221132321 - 2⁹ = 30623221131809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30623221132327) 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, 14568610335 + ... + 14568612436.

It is an arithmetic number, because the mean of its divisors is an integer number (7663089589036).

Almost surely, 2^{30623221132321} is an apocalyptic number.

It is an amenable number.

30623221132321 is a deficient number, since it is larger than the sum of its proper divisors (29137223823).

30623221132321 is a wasteful number, since it uses less digits than its factorization.

30623221132321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29137223822.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 30623221132321 its reverse (12323112232603), we get a palindrome (42946333364924).

The spelling of 30623221132321 in words is "thirty trillion, six hundred twenty-three billion, two hundred twenty-one million, one hundred thirty-two thousand, three hundred twenty-one".